Home / 20,234.44-27,936.96-13,067.56

Finding the Fourth Proportional to 20,234.44, 27,936.96 and 13,067.56

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Solution

The fourth proportional to 20,234.44, 27,936.96 and 13,067.56 is: 18,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.44 : 27,936.96 = 13,067.56 : x
  2. Step 2: Convert to fraction form
    20,234.44/27,936.96 = 13,067.56/x
  3. Step 3: Cross multiply
    20,234.44x = 27,936.96 × 13,067.56
  4. Step 4: Simplify right side
    20,234.44x = 365,067,901.02
  5. Step 5: Solve for x
    x = 365,067,901.02/20,234.44
  6. Step 6: Final answer
    x = 18,041.91

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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.