Home / 26,651.92-39,979.32-6,930.52

Finding the Fourth Proportional to 26,651.92, 39,979.32 and 6,930.52

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Solution

The fourth proportional to 26,651.92, 39,979.32 and 6,930.52 is: 10,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.92 : 39,979.32 = 6,930.52 : x
  2. Step 2: Convert to fraction form
    26,651.92/39,979.32 = 6,930.52/x
  3. Step 3: Cross multiply
    26,651.92x = 39,979.32 × 6,930.52
  4. Step 4: Simplify right side
    26,651.92x = 277,077,476.85
  5. Step 5: Solve for x
    x = 277,077,476.85/26,651.92
  6. Step 6: Final answer
    x = 10,396.15

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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.