Home / 27,489.52-41,144.10-20,879.38

Finding the Fourth Proportional to 27,489.52, 41,144.10 and 20,879.38

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Solution

The fourth proportional to 27,489.52, 41,144.10 and 20,879.38 is: 31,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.52 : 41,144.10 = 20,879.38 : x
  2. Step 2: Convert to fraction form
    27,489.52/41,144.10 = 20,879.38/x
  3. Step 3: Cross multiply
    27,489.52x = 41,144.10 × 20,879.38
  4. Step 4: Simplify right side
    27,489.52x = 859,063,298.66
  5. Step 5: Solve for x
    x = 859,063,298.66/27,489.52
  6. Step 6: Final answer
    x = 31,250.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.