Home / 27,487.50-41,229.18-8,766.78

Finding the Fourth Proportional to 27,487.50, 41,229.18 and 8,766.78

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Solution

The fourth proportional to 27,487.50, 41,229.18 and 8,766.78 is: 13,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.50 : 41,229.18 = 8,766.78 : x
  2. Step 2: Convert to fraction form
    27,487.50/41,229.18 = 8,766.78/x
  3. Step 3: Cross multiply
    27,487.50x = 41,229.18 × 8,766.78
  4. Step 4: Simplify right side
    27,487.50x = 361,447,150.64
  5. Step 5: Solve for x
    x = 361,447,150.64/27,487.50
  6. Step 6: Final answer
    x = 13,149.51

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1.5x scale

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.