Home / 26,511.12-39,765.76-6,789.85

Finding the Fourth Proportional to 26,511.12, 39,765.76 and 6,789.85

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Solution

The fourth proportional to 26,511.12, 39,765.76 and 6,789.85 is: 10,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.12 : 39,765.76 = 6,789.85 : x
  2. Step 2: Convert to fraction form
    26,511.12/39,765.76 = 6,789.85/x
  3. Step 3: Cross multiply
    26,511.12x = 39,765.76 × 6,789.85
  4. Step 4: Simplify right side
    26,511.12x = 270,003,429.15
  5. Step 5: Solve for x
    x = 270,003,429.15/26,511.12
  6. Step 6: Final answer
    x = 10,184.53

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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.