Home / 27,711.82-38,228.96-18,147.44

Finding the Fourth Proportional to 27,711.82, 38,228.96 and 18,147.44

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Solution

The fourth proportional to 27,711.82, 38,228.96 and 18,147.44 is: 25,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.82 : 38,228.96 = 18,147.44 : x
  2. Step 2: Convert to fraction form
    27,711.82/38,228.96 = 18,147.44/x
  3. Step 3: Cross multiply
    27,711.82x = 38,228.96 × 18,147.44
  4. Step 4: Simplify right side
    27,711.82x = 693,757,898.80
  5. Step 5: Solve for x
    x = 693,757,898.80/27,711.82
  6. Step 6: Final answer
    x = 25,034.73

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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.