Home / 23,147.72-31,949.04-15,067.04

Finding the Fourth Proportional to 23,147.72, 31,949.04 and 15,067.04

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Solution

The fourth proportional to 23,147.72, 31,949.04 and 15,067.04 is: 20,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.72 : 31,949.04 = 15,067.04 : x
  2. Step 2: Convert to fraction form
    23,147.72/31,949.04 = 15,067.04/x
  3. Step 3: Cross multiply
    23,147.72x = 31,949.04 × 15,067.04
  4. Step 4: Simplify right side
    23,147.72x = 481,377,463.64
  5. Step 5: Solve for x
    x = 481,377,463.64/23,147.72
  6. Step 6: Final answer
    x = 20,795.89

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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.