Home / 87,765.60-131,664.24-28,596

Finding the Fourth Proportional to 87,765.60, 131,664.24 and 28,596

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Solution

The fourth proportional to 87,765.60, 131,664.24 and 28,596 is: 42,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,765.60 : 131,664.24 = 28,596 : x
  2. Step 2: Convert to fraction form
    87,765.60/131,664.24 = 28,596/x
  3. Step 3: Cross multiply
    87,765.60x = 131,664.24 × 28,596
  4. Step 4: Simplify right side
    87,765.60x = 3,765,070,607.04
  5. Step 5: Solve for x
    x = 3,765,070,607.04/87,765.60
  6. Step 6: Final answer
    x = 42,899.16

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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.