Home / 27,910.71-38,517.22-15,164.15

Finding the Fourth Proportional to 27,910.71, 38,517.22 and 15,164.15

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Solution

The fourth proportional to 27,910.71, 38,517.22 and 15,164.15 is: 20,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.71 : 38,517.22 = 15,164.15 : x
  2. Step 2: Convert to fraction form
    27,910.71/38,517.22 = 15,164.15/x
  3. Step 3: Cross multiply
    27,910.71x = 38,517.22 × 15,164.15
  4. Step 4: Simplify right side
    27,910.71x = 584,080,671.17
  5. Step 5: Solve for x
    x = 584,080,671.17/27,910.71
  6. Step 6: Final answer
    x = 20,926.76

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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.