Home / 87,957.56-131,954.84-28,788.64

Finding the Fourth Proportional to 87,957.56, 131,954.84 and 28,788.64

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Solution

The fourth proportional to 87,957.56, 131,954.84 and 28,788.64 is: 43,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,957.56 : 131,954.84 = 28,788.64 : x
  2. Step 2: Convert to fraction form
    87,957.56/131,954.84 = 28,788.64/x
  3. Step 3: Cross multiply
    87,957.56x = 131,954.84 × 28,788.64
  4. Step 4: Simplify right side
    87,957.56x = 3,798,800,385.02
  5. Step 5: Solve for x
    x = 3,798,800,385.02/87,957.56
  6. Step 6: Final answer
    x = 43,189.02

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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.