Solve the proportion: 10/5 = 28/x.
Note
Cross-multiply: 10 × x = 5 × 28. So 10x = 140. Divide by 10: x = 14.
Solve the proportion: 10/5 = 28/x.
Cross-multiply: 10 × x = 5 × 28. So 10x = 140. Divide by 10: x = 14.