Home / 27,191.38-37,540.91-18,129.49

Finding the Fourth Proportional to 27,191.38, 37,540.91 and 18,129.49

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Solution

The fourth proportional to 27,191.38, 37,540.91 and 18,129.49 is: 25,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.38 : 37,540.91 = 18,129.49 : x
  2. Step 2: Convert to fraction form
    27,191.38/37,540.91 = 18,129.49/x
  3. Step 3: Cross multiply
    27,191.38x = 37,540.91 × 18,129.49
  4. Step 4: Simplify right side
    27,191.38x = 680,597,552.44
  5. Step 5: Solve for x
    x = 680,597,552.44/27,191.38
  6. Step 6: Final answer
    x = 25,029.90

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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.