Home / 26,229.65-39,319.36-8,689.91

Finding the Fourth Proportional to 26,229.65, 39,319.36 and 8,689.91

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Solution

The fourth proportional to 26,229.65, 39,319.36 and 8,689.91 is: 13,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.65 : 39,319.36 = 8,689.91 : x
  2. Step 2: Convert to fraction form
    26,229.65/39,319.36 = 8,689.91/x
  3. Step 3: Cross multiply
    26,229.65x = 39,319.36 × 8,689.91
  4. Step 4: Simplify right side
    26,229.65x = 341,681,481.34
  5. Step 5: Solve for x
    x = 341,681,481.34/26,229.65
  6. Step 6: Final answer
    x = 13,026.54

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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.