Home / 25,896.92-38,761.82-13,399.74

Finding the Fourth Proportional to 25,896.92, 38,761.82 and 13,399.74

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Solution

The fourth proportional to 25,896.92, 38,761.82 and 13,399.74 is: 20,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.92 : 38,761.82 = 13,399.74 : x
  2. Step 2: Convert to fraction form
    25,896.92/38,761.82 = 13,399.74/x
  3. Step 3: Cross multiply
    25,896.92x = 38,761.82 × 13,399.74
  4. Step 4: Simplify right side
    25,896.92x = 519,398,309.93
  5. Step 5: Solve for x
    x = 519,398,309.93/25,896.92
  6. Step 6: Final answer
    x = 20,056.37

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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.