Home / 25,046.75-34,565.60-13,868.75

Finding the Fourth Proportional to 25,046.75, 34,565.60 and 13,868.75

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Solution

The fourth proportional to 25,046.75, 34,565.60 and 13,868.75 is: 19,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,046.75 : 34,565.60 = 13,868.75 : x
  2. Step 2: Convert to fraction form
    25,046.75/34,565.60 = 13,868.75/x
  3. Step 3: Cross multiply
    25,046.75x = 34,565.60 × 13,868.75
  4. Step 4: Simplify right side
    25,046.75x = 479,381,665
  5. Step 5: Solve for x
    x = 479,381,665/25,046.75
  6. Step 6: Final answer
    x = 19,139.48

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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.