Home / 87,565.61-131,367.63-28,407.26

Finding the Fourth Proportional to 87,565.61, 131,367.63 and 28,407.26

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Solution

The fourth proportional to 87,565.61, 131,367.63 and 28,407.26 is: 42,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,565.61 : 131,367.63 = 28,407.26 : x
  2. Step 2: Convert to fraction form
    87,565.61/131,367.63 = 28,407.26/x
  3. Step 3: Cross multiply
    87,565.61x = 131,367.63 × 28,407.26
  4. Step 4: Simplify right side
    87,565.61x = 3,731,794,420.99
  5. Step 5: Solve for x
    x = 3,731,794,420.99/87,565.61
  6. Step 6: Final answer
    x = 42,617.12

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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.