Home / 25,188.60-37,755.18-10,389.43

Finding the Fourth Proportional to 25,188.60, 37,755.18 and 10,389.43

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Solution

The fourth proportional to 25,188.60, 37,755.18 and 10,389.43 is: 15,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.60 : 37,755.18 = 10,389.43 : x
  2. Step 2: Convert to fraction form
    25,188.60/37,755.18 = 10,389.43/x
  3. Step 3: Cross multiply
    25,188.60x = 37,755.18 × 10,389.43
  4. Step 4: Simplify right side
    25,188.60x = 392,254,799.75
  5. Step 5: Solve for x
    x = 392,254,799.75/25,188.60
  6. Step 6: Final answer
    x = 15,572.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.