Home / 25,759.25-38,650-13,910.68

Finding the Fourth Proportional to 25,759.25, 38,650 and 13,910.68

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Solution

The fourth proportional to 25,759.25, 38,650 and 13,910.68 is: 20,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.25 : 38,650 = 13,910.68 : x
  2. Step 2: Convert to fraction form
    25,759.25/38,650 = 13,910.68/x
  3. Step 3: Cross multiply
    25,759.25x = 38,650 × 13,910.68
  4. Step 4: Simplify right side
    25,759.25x = 537,647,782
  5. Step 5: Solve for x
    x = 537,647,782/25,759.25
  6. Step 6: Final answer
    x = 20,872.03

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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.