Home / 17,013.25-25,455.75-15,286.69

Finding the Fourth Proportional to 17,013.25, 25,455.75 and 15,286.69

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Solution

The fourth proportional to 17,013.25, 25,455.75 and 15,286.69 is: 22,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.25 : 25,455.75 = 15,286.69 : x
  2. Step 2: Convert to fraction form
    17,013.25/25,455.75 = 15,286.69/x
  3. Step 3: Cross multiply
    17,013.25x = 25,455.75 × 15,286.69
  4. Step 4: Simplify right side
    17,013.25x = 389,134,158.97
  5. Step 5: Solve for x
    x = 389,134,158.97/17,013.25
  6. Step 6: Final answer
    x = 22,872.42

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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.