Home / 25,138.75-34,691.48-13,960.75

Finding the Fourth Proportional to 25,138.75, 34,691.48 and 13,960.75

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Solution

The fourth proportional to 25,138.75, 34,691.48 and 13,960.75 is: 19,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.75 : 34,691.48 = 13,960.75 : x
  2. Step 2: Convert to fraction form
    25,138.75/34,691.48 = 13,960.75/x
  3. Step 3: Cross multiply
    25,138.75x = 34,691.48 × 13,960.75
  4. Step 4: Simplify right side
    25,138.75x = 484,319,079.41
  5. Step 5: Solve for x
    x = 484,319,079.41/25,138.75
  6. Step 6: Final answer
    x = 19,265.84

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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.