Home / 26,260.88-39,382.82-8,726

Finding the Fourth Proportional to 26,260.88, 39,382.82 and 8,726

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Solution

The fourth proportional to 26,260.88, 39,382.82 and 8,726 is: 13,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.88 : 39,382.82 = 8,726 : x
  2. Step 2: Convert to fraction form
    26,260.88/39,382.82 = 8,726/x
  3. Step 3: Cross multiply
    26,260.88x = 39,382.82 × 8,726
  4. Step 4: Simplify right side
    26,260.88x = 343,654,487.32
  5. Step 5: Solve for x
    x = 343,654,487.32/26,260.88
  6. Step 6: Final answer
    x = 13,086.18

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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.