Home / 20,067.62-27,711.93-15,023.08

Finding the Fourth Proportional to 20,067.62, 27,711.93 and 15,023.08

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Solution

The fourth proportional to 20,067.62, 27,711.93 and 15,023.08 is: 20,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.62 : 27,711.93 = 15,023.08 : x
  2. Step 2: Convert to fraction form
    20,067.62/27,711.93 = 15,023.08/x
  3. Step 3: Cross multiply
    20,067.62x = 27,711.93 × 15,023.08
  4. Step 4: Simplify right side
    20,067.62x = 416,318,448.75
  5. Step 5: Solve for x
    x = 416,318,448.75/20,067.62
  6. Step 6: Final answer
    x = 20,745.78

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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.