Home / 38,871.30-58,278.89-15,158.75

Finding the Fourth Proportional to 38,871.30, 58,278.89 and 15,158.75

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Solution

The fourth proportional to 38,871.30, 58,278.89 and 15,158.75 is: 22,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.30 : 58,278.89 = 15,158.75 : x
  2. Step 2: Convert to fraction form
    38,871.30/58,278.89 = 15,158.75/x
  3. Step 3: Cross multiply
    38,871.30x = 58,278.89 × 15,158.75
  4. Step 4: Simplify right side
    38,871.30x = 883,435,123.79
  5. Step 5: Solve for x
    x = 883,435,123.79/38,871.30
  6. Step 6: Final answer
    x = 22,727.18

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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.