Home / 50,428.27-69,591.48-27,767.78

Finding the Fourth Proportional to 50,428.27, 69,591.48 and 27,767.78

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Solution

The fourth proportional to 50,428.27, 69,591.48 and 27,767.78 is: 38,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,428.27 : 69,591.48 = 27,767.78 : x
  2. Step 2: Convert to fraction form
    50,428.27/69,591.48 = 27,767.78/x
  3. Step 3: Cross multiply
    50,428.27x = 69,591.48 × 27,767.78
  4. Step 4: Simplify right side
    50,428.27x = 1,932,400,793.49
  5. Step 5: Solve for x
    x = 1,932,400,793.49/50,428.27
  6. Step 6: Final answer
    x = 38,319.79

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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.