Home / 26,449.97-39,683.05-8,918.33

Finding the Fourth Proportional to 26,449.97, 39,683.05 and 8,918.33

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Solution

The fourth proportional to 26,449.97, 39,683.05 and 8,918.33 is: 13,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.97 : 39,683.05 = 8,918.33 : x
  2. Step 2: Convert to fraction form
    26,449.97/39,683.05 = 8,918.33/x
  3. Step 3: Cross multiply
    26,449.97x = 39,683.05 × 8,918.33
  4. Step 4: Simplify right side
    26,449.97x = 353,906,314.60
  5. Step 5: Solve for x
    x = 353,906,314.60/26,449.97
  6. Step 6: Final answer
    x = 13,380.22

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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.