Home / 27,911.30-38,517.42-15,164.38

Finding the Fourth Proportional to 27,911.30, 38,517.42 and 15,164.38

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Solution

The fourth proportional to 27,911.30, 38,517.42 and 15,164.38 is: 20,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.30 : 38,517.42 = 15,164.38 : x
  2. Step 2: Convert to fraction form
    27,911.30/38,517.42 = 15,164.38/x
  3. Step 3: Cross multiply
    27,911.30x = 38,517.42 × 15,164.38
  4. Step 4: Simplify right side
    27,911.30x = 584,092,793.50
  5. Step 5: Solve for x
    x = 584,092,793.50/27,911.30
  6. Step 6: Final answer
    x = 20,926.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.