Home / 26,257.75-39,386.64-8,727.61

Finding the Fourth Proportional to 26,257.75, 39,386.64 and 8,727.61

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Solution

The fourth proportional to 26,257.75, 39,386.64 and 8,727.61 is: 13,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,257.75 : 39,386.64 = 8,727.61 : x
  2. Step 2: Convert to fraction form
    26,257.75/39,386.64 = 8,727.61/x
  3. Step 3: Cross multiply
    26,257.75x = 39,386.64 × 8,727.61
  4. Step 4: Simplify right side
    26,257.75x = 343,751,233.13
  5. Step 5: Solve for x
    x = 343,751,233.13/26,257.75
  6. Step 6: Final answer
    x = 13,091.42

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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.