Home / 27,675.20-38,191.64-15,099.95

Finding the Fourth Proportional to 27,675.20, 38,191.64 and 15,099.95

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Solution

The fourth proportional to 27,675.20, 38,191.64 and 15,099.95 is: 20,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.20 : 38,191.64 = 15,099.95 : x
  2. Step 2: Convert to fraction form
    27,675.20/38,191.64 = 15,099.95/x
  3. Step 3: Cross multiply
    27,675.20x = 38,191.64 × 15,099.95
  4. Step 4: Simplify right side
    27,675.20x = 576,691,854.42
  5. Step 5: Solve for x
    x = 576,691,854.42/27,675.20
  6. Step 6: Final answer
    x = 20,837.86

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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.