Home / 28,084.17-38,755.41-15,337.70

Finding the Fourth Proportional to 28,084.17, 38,755.41 and 15,337.70

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Solution

The fourth proportional to 28,084.17, 38,755.41 and 15,337.70 is: 21,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.17 : 38,755.41 = 15,337.70 : x
  2. Step 2: Convert to fraction form
    28,084.17/38,755.41 = 15,337.70/x
  3. Step 3: Cross multiply
    28,084.17x = 38,755.41 × 15,337.70
  4. Step 4: Simplify right side
    28,084.17x = 594,418,851.96
  5. Step 5: Solve for x
    x = 594,418,851.96/28,084.17
  6. Step 6: Final answer
    x = 21,165.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.