Home / 38,629.80-57,930.30-15,251.40

Finding the Fourth Proportional to 38,629.80, 57,930.30 and 15,251.40

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Solution

The fourth proportional to 38,629.80, 57,930.30 and 15,251.40 is: 22,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.80 : 57,930.30 = 15,251.40 : x
  2. Step 2: Convert to fraction form
    38,629.80/57,930.30 = 15,251.40/x
  3. Step 3: Cross multiply
    38,629.80x = 57,930.30 × 15,251.40
  4. Step 4: Simplify right side
    38,629.80x = 883,518,177.42
  5. Step 5: Solve for x
    x = 883,518,177.42/38,629.80
  6. Step 6: Final answer
    x = 22,871.41

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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.