Home / 27,752.76-38,298.87-15,177.42

Finding the Fourth Proportional to 27,752.76, 38,298.87 and 15,177.42

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Solution

The fourth proportional to 27,752.76, 38,298.87 and 15,177.42 is: 20,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.76 : 38,298.87 = 15,177.42 : x
  2. Step 2: Convert to fraction form
    27,752.76/38,298.87 = 15,177.42/x
  3. Step 3: Cross multiply
    27,752.76x = 38,298.87 × 15,177.42
  4. Step 4: Simplify right side
    27,752.76x = 581,278,035.52
  5. Step 5: Solve for x
    x = 581,278,035.52/27,752.76
  6. Step 6: Final answer
    x = 20,944.87

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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.