Home / 27,882.22-38,476.60-15,134.80

Finding the Fourth Proportional to 27,882.22, 38,476.60 and 15,134.80

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Solution

The fourth proportional to 27,882.22, 38,476.60 and 15,134.80 is: 20,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.22 : 38,476.60 = 15,134.80 : x
  2. Step 2: Convert to fraction form
    27,882.22/38,476.60 = 15,134.80/x
  3. Step 3: Cross multiply
    27,882.22x = 38,476.60 × 15,134.80
  4. Step 4: Simplify right side
    27,882.22x = 582,335,645.68
  5. Step 5: Solve for x
    x = 582,335,645.68/27,882.22
  6. Step 6: Final answer
    x = 20,885.56

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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.