Home / 87,626.27-131,427.05-28,462.66

Finding the Fourth Proportional to 87,626.27, 131,427.05 and 28,462.66

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Solution

The fourth proportional to 87,626.27, 131,427.05 and 28,462.66 is: 42,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626.27 : 131,427.05 = 28,462.66 : x
  2. Step 2: Convert to fraction form
    87,626.27/131,427.05 = 28,462.66/x
  3. Step 3: Cross multiply
    87,626.27x = 131,427.05 × 28,462.66
  4. Step 4: Simplify right side
    87,626.27x = 3,740,762,852.97
  5. Step 5: Solve for x
    x = 3,740,762,852.97/87,626.27
  6. Step 6: Final answer
    x = 42,689.97

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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.