Home / 38,423.26-57,644.15-12,127.92

Finding the Fourth Proportional to 38,423.26, 57,644.15 and 12,127.92

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Solution

The fourth proportional to 38,423.26, 57,644.15 and 12,127.92 is: 18,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.26 : 57,644.15 = 12,127.92 : x
  2. Step 2: Convert to fraction form
    38,423.26/57,644.15 = 12,127.92/x
  3. Step 3: Cross multiply
    38,423.26x = 57,644.15 × 12,127.92
  4. Step 4: Simplify right side
    38,423.26x = 699,103,639.67
  5. Step 5: Solve for x
    x = 699,103,639.67/38,423.26
  6. Step 6: Final answer
    x = 18,194.80

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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.