Home / 20,027.52-30,067.26-13,406.38

Finding the Fourth Proportional to 20,027.52, 30,067.26 and 13,406.38

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Solution

The fourth proportional to 20,027.52, 30,067.26 and 13,406.38 is: 20,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.52 : 30,067.26 = 13,406.38 : x
  2. Step 2: Convert to fraction form
    20,027.52/30,067.26 = 13,406.38/x
  3. Step 3: Cross multiply
    20,027.52x = 30,067.26 × 13,406.38
  4. Step 4: Simplify right side
    20,027.52x = 403,093,046.09
  5. Step 5: Solve for x
    x = 403,093,046.09/20,027.52
  6. Step 6: Final answer
    x = 20,126.96

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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.