Home / 26,308-39,481.48-12,457.04

Finding the Fourth Proportional to 26,308, 39,481.48 and 12,457.04

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Solution

The fourth proportional to 26,308, 39,481.48 and 12,457.04 is: 18,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308 : 39,481.48 = 12,457.04 : x
  2. Step 2: Convert to fraction form
    26,308/39,481.48 = 12,457.04/x
  3. Step 3: Cross multiply
    26,308x = 39,481.48 × 12,457.04
  4. Step 4: Simplify right side
    26,308x = 491,822,375.62
  5. Step 5: Solve for x
    x = 491,822,375.62/26,308
  6. Step 6: Final answer
    x = 18,694.78

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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.