Home / 25,241.82-34,834.62-15,686.97

Finding the Fourth Proportional to 25,241.82, 34,834.62 and 15,686.97

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Solution

The fourth proportional to 25,241.82, 34,834.62 and 15,686.97 is: 21,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,241.82 : 34,834.62 = 15,686.97 : x
  2. Step 2: Convert to fraction form
    25,241.82/34,834.62 = 15,686.97/x
  3. Step 3: Cross multiply
    25,241.82x = 34,834.62 × 15,686.97
  4. Step 4: Simplify right side
    25,241.82x = 546,449,638.90
  5. Step 5: Solve for x
    x = 546,449,638.90/25,241.82
  6. Step 6: Final answer
    x = 21,648.58

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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.