Home / 27,625.12-38,123.09-15,049.87

Finding the Fourth Proportional to 27,625.12, 38,123.09 and 15,049.87

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Solution

The fourth proportional to 27,625.12, 38,123.09 and 15,049.87 is: 20,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.12 : 38,123.09 = 15,049.87 : x
  2. Step 2: Convert to fraction form
    27,625.12/38,123.09 = 15,049.87/x
  3. Step 3: Cross multiply
    27,625.12x = 38,123.09 × 15,049.87
  4. Step 4: Simplify right side
    27,625.12x = 573,747,434.38
  5. Step 5: Solve for x
    x = 573,747,434.38/27,625.12
  6. Step 6: Final answer
    x = 20,769.05

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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.