Home / 38,934.38-58,408.86-18,157.88

Finding the Fourth Proportional to 38,934.38, 58,408.86 and 18,157.88

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Solution

The fourth proportional to 38,934.38, 58,408.86 and 18,157.88 is: 27,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,934.38 : 58,408.86 = 18,157.88 : x
  2. Step 2: Convert to fraction form
    38,934.38/58,408.86 = 18,157.88/x
  3. Step 3: Cross multiply
    38,934.38x = 58,408.86 × 18,157.88
  4. Step 4: Simplify right side
    38,934.38x = 1,060,580,778.77
  5. Step 5: Solve for x
    x = 1,060,580,778.77/38,934.38
  6. Step 6: Final answer
    x = 27,240.22

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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.