Home / 26,610.56-39,890.24-11,821.44

Finding the Fourth Proportional to 26,610.56, 39,890.24 and 11,821.44

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Solution

The fourth proportional to 26,610.56, 39,890.24 and 11,821.44 is: 17,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.56 : 39,890.24 = 11,821.44 : x
  2. Step 2: Convert to fraction form
    26,610.56/39,890.24 = 11,821.44/x
  3. Step 3: Cross multiply
    26,610.56x = 39,890.24 × 11,821.44
  4. Step 4: Simplify right side
    26,610.56x = 471,560,078.75
  5. Step 5: Solve for x
    x = 471,560,078.75/26,610.56
  6. Step 6: Final answer
    x = 17,720.79

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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.