Home / 27,672.66-38,188.17-15,097.38

Finding the Fourth Proportional to 27,672.66, 38,188.17 and 15,097.38

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Solution

The fourth proportional to 27,672.66, 38,188.17 and 15,097.38 is: 20,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.66 : 38,188.17 = 15,097.38 : x
  2. Step 2: Convert to fraction form
    27,672.66/38,188.17 = 15,097.38/x
  3. Step 3: Cross multiply
    27,672.66x = 38,188.17 × 15,097.38
  4. Step 4: Simplify right side
    27,672.66x = 576,541,313.99
  5. Step 5: Solve for x
    x = 576,541,313.99/27,672.66
  6. Step 6: Final answer
    x = 20,834.33

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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.