21.28 is what percent of 350 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 350 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 350, so we can write it down as 100%=350.
4. We know, that x% equals 21.28 of the output value, so we can write it down as x%=21.28.
5. Now we have two simple equations:
1) 100%=350
2) x%=21.28
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=350/21.28
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 21.28 is what percent of 350

100%/x%=350/21.28
(100/x)*x=(350/21.28)*x       - we multiply both sides of the equation by x
100=16.447368421053*x       - we divide both sides of the equation by (16.447368421053) to get x
100/16.447368421053=x
6.08=x
x=6.08

now we have:
21.28 is 6.08% of 350