Home / 27,747.38-38,291.33-15,000.57

Finding the Fourth Proportional to 27,747.38, 38,291.33 and 15,000.57

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Solution

The fourth proportional to 27,747.38, 38,291.33 and 15,000.57 is: 20,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.38 : 38,291.33 = 15,000.57 : x
  2. Step 2: Convert to fraction form
    27,747.38/38,291.33 = 15,000.57/x
  3. Step 3: Cross multiply
    27,747.38x = 38,291.33 × 15,000.57
  4. Step 4: Simplify right side
    27,747.38x = 574,391,813.56
  5. Step 5: Solve for x
    x = 574,391,813.56/27,747.38
  6. Step 6: Final answer
    x = 20,700.76

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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.