Home / 87,584.85-131,377.19-28,420.52

Finding the Fourth Proportional to 87,584.85, 131,377.19 and 28,420.52

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Solution

The fourth proportional to 87,584.85, 131,377.19 and 28,420.52 is: 42,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,584.85 : 131,377.19 = 28,420.52 : x
  2. Step 2: Convert to fraction form
    87,584.85/131,377.19 = 28,420.52/x
  3. Step 3: Cross multiply
    87,584.85x = 131,377.19 × 28,420.52
  4. Step 4: Simplify right side
    87,584.85x = 3,733,807,256.95
  5. Step 5: Solve for x
    x = 3,733,807,256.95/87,584.85
  6. Step 6: Final answer
    x = 42,630.74

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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.