Home / 26,272.32-39,414.88-8,742.08

Finding the Fourth Proportional to 26,272.32, 39,414.88 and 8,742.08

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Solution

The fourth proportional to 26,272.32, 39,414.88 and 8,742.08 is: 13,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272.32 : 39,414.88 = 8,742.08 : x
  2. Step 2: Convert to fraction form
    26,272.32/39,414.88 = 8,742.08/x
  3. Step 3: Cross multiply
    26,272.32x = 39,414.88 × 8,742.08
  4. Step 4: Simplify right side
    26,272.32x = 344,568,034.15
  5. Step 5: Solve for x
    x = 344,568,034.15/26,272.32
  6. Step 6: Final answer
    x = 13,115.25

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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.