Home / 26,939.97-40,405.14-9,414.81

Finding the Fourth Proportional to 26,939.97, 40,405.14 and 9,414.81

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Solution

The fourth proportional to 26,939.97, 40,405.14 and 9,414.81 is: 14,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.97 : 40,405.14 = 9,414.81 : x
  2. Step 2: Convert to fraction form
    26,939.97/40,405.14 = 9,414.81/x
  3. Step 3: Cross multiply
    26,939.97x = 40,405.14 × 9,414.81
  4. Step 4: Simplify right side
    26,939.97x = 380,406,716.12
  5. Step 5: Solve for x
    x = 380,406,716.12/26,939.97
  6. Step 6: Final answer
    x = 14,120.53

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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.