Home / 26,906.82-40,359.82-12,105.28

Finding the Fourth Proportional to 26,906.82, 40,359.82 and 12,105.28

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Solution

The fourth proportional to 26,906.82, 40,359.82 and 12,105.28 is: 18,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.82 : 40,359.82 = 12,105.28 : x
  2. Step 2: Convert to fraction form
    26,906.82/40,359.82 = 12,105.28/x
  3. Step 3: Cross multiply
    26,906.82x = 40,359.82 × 12,105.28
  4. Step 4: Simplify right side
    26,906.82x = 488,566,891.59
  5. Step 5: Solve for x
    x = 488,566,891.59/26,906.82
  6. Step 6: Final answer
    x = 18,157.74

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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.