Home / 26,081.20-39,092.28-12,942.64

Finding the Fourth Proportional to 26,081.20, 39,092.28 and 12,942.64

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Solution

The fourth proportional to 26,081.20, 39,092.28 and 12,942.64 is: 19,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.20 : 39,092.28 = 12,942.64 : x
  2. Step 2: Convert to fraction form
    26,081.20/39,092.28 = 12,942.64/x
  3. Step 3: Cross multiply
    26,081.20x = 39,092.28 × 12,942.64
  4. Step 4: Simplify right side
    26,081.20x = 505,957,306.82
  5. Step 5: Solve for x
    x = 505,957,306.82/26,081.20
  6. Step 6: Final answer
    x = 19,399.31

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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.