Home / 25,385.76-38,086.42-11,357.59

Finding the Fourth Proportional to 25,385.76, 38,086.42 and 11,357.59

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Solution

The fourth proportional to 25,385.76, 38,086.42 and 11,357.59 is: 17,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.76 : 38,086.42 = 11,357.59 : x
  2. Step 2: Convert to fraction form
    25,385.76/38,086.42 = 11,357.59/x
  3. Step 3: Cross multiply
    25,385.76x = 38,086.42 × 11,357.59
  4. Step 4: Simplify right side
    25,385.76x = 432,569,942.93
  5. Step 5: Solve for x
    x = 432,569,942.93/25,385.76
  6. Step 6: Final answer
    x = 17,039.87

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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.