Home / 38,154.59-57,209.40-15,658.56

Finding the Fourth Proportional to 38,154.59, 57,209.40 and 15,658.56

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Solution

The fourth proportional to 38,154.59, 57,209.40 and 15,658.56 is: 23,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.59 : 57,209.40 = 15,658.56 : x
  2. Step 2: Convert to fraction form
    38,154.59/57,209.40 = 15,658.56/x
  3. Step 3: Cross multiply
    38,154.59x = 57,209.40 × 15,658.56
  4. Step 4: Simplify right side
    38,154.59x = 895,816,822.46
  5. Step 5: Solve for x
    x = 895,816,822.46/38,154.59
  6. Step 6: Final answer
    x = 23,478.61

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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.