Home / 25,694.38-38,567.76-13,847.68

Finding the Fourth Proportional to 25,694.38, 38,567.76 and 13,847.68

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Solution

The fourth proportional to 25,694.38, 38,567.76 and 13,847.68 is: 20,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.38 : 38,567.76 = 13,847.68 : x
  2. Step 2: Convert to fraction form
    25,694.38/38,567.76 = 13,847.68/x
  3. Step 3: Cross multiply
    25,694.38x = 38,567.76 × 13,847.68
  4. Step 4: Simplify right side
    25,694.38x = 534,073,998.80
  5. Step 5: Solve for x
    x = 534,073,998.80/25,694.38
  6. Step 6: Final answer
    x = 20,785.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.