Home / 27,757.98-38,306.90-15,182.73

Finding the Fourth Proportional to 27,757.98, 38,306.90 and 15,182.73

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Solution

The fourth proportional to 27,757.98, 38,306.90 and 15,182.73 is: 20,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.98 : 38,306.90 = 15,182.73 : x
  2. Step 2: Convert to fraction form
    27,757.98/38,306.90 = 15,182.73/x
  3. Step 3: Cross multiply
    27,757.98x = 38,306.90 × 15,182.73
  4. Step 4: Simplify right side
    27,757.98x = 581,603,357.79
  5. Step 5: Solve for x
    x = 581,603,357.79/27,757.98
  6. Step 6: Final answer
    x = 20,952.65

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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.