Home / 38,805.28-58,207.86-11,103.28

Finding the Fourth Proportional to 38,805.28, 58,207.86 and 11,103.28

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Solution

The fourth proportional to 38,805.28, 58,207.86 and 11,103.28 is: 16,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,805.28 : 58,207.86 = 11,103.28 : x
  2. Step 2: Convert to fraction form
    38,805.28/58,207.86 = 11,103.28/x
  3. Step 3: Cross multiply
    38,805.28x = 58,207.86 × 11,103.28
  4. Step 4: Simplify right side
    38,805.28x = 646,298,167.78
  5. Step 5: Solve for x
    x = 646,298,167.78/38,805.28
  6. Step 6: Final answer
    x = 16,654.90

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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.