Home / 26,187.45-39,204-17,286.36

Finding the Fourth Proportional to 26,187.45, 39,204 and 17,286.36

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Solution

The fourth proportional to 26,187.45, 39,204 and 17,286.36 is: 25,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.45 : 39,204 = 17,286.36 : x
  2. Step 2: Convert to fraction form
    26,187.45/39,204 = 17,286.36/x
  3. Step 3: Cross multiply
    26,187.45x = 39,204 × 17,286.36
  4. Step 4: Simplify right side
    26,187.45x = 677,694,457.44
  5. Step 5: Solve for x
    x = 677,694,457.44/26,187.45
  6. Step 6: Final answer
    x = 25,878.60

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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.