Home / 87,560.22-131,358.81-28,391.28

Finding the Fourth Proportional to 87,560.22, 131,358.81 and 28,391.28

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Solution

The fourth proportional to 87,560.22, 131,358.81 and 28,391.28 is: 42,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,560.22 : 131,358.81 = 28,391.28 : x
  2. Step 2: Convert to fraction form
    87,560.22/131,358.81 = 28,391.28/x
  3. Step 3: Cross multiply
    87,560.22x = 131,358.81 × 28,391.28
  4. Step 4: Simplify right side
    87,560.22x = 3,729,444,755.18
  5. Step 5: Solve for x
    x = 3,729,444,755.18/87,560.22
  6. Step 6: Final answer
    x = 42,592.91

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Why These Related Problems?

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