Home / 38,966.20-58,479.60-15,607.96

Finding the Fourth Proportional to 38,966.20, 58,479.60 and 15,607.96

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Solution

The fourth proportional to 38,966.20, 58,479.60 and 15,607.96 is: 23,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,966.20 : 58,479.60 = 15,607.96 : x
  2. Step 2: Convert to fraction form
    38,966.20/58,479.60 = 15,607.96/x
  3. Step 3: Cross multiply
    38,966.20x = 58,479.60 × 15,607.96
  4. Step 4: Simplify right side
    38,966.20x = 912,747,257.62
  5. Step 5: Solve for x
    x = 912,747,257.62/38,966.20
  6. Step 6: Final answer
    x = 23,424.08

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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.