Home / 36,238.80-54,363.60-12,863.28

Finding the Fourth Proportional to 36,238.80, 54,363.60 and 12,863.28

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Solution

The fourth proportional to 36,238.80, 54,363.60 and 12,863.28 is: 19,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,238.80 : 54,363.60 = 12,863.28 : x
  2. Step 2: Convert to fraction form
    36,238.80/54,363.60 = 12,863.28/x
  3. Step 3: Cross multiply
    36,238.80x = 54,363.60 × 12,863.28
  4. Step 4: Simplify right side
    36,238.80x = 699,294,208.61
  5. Step 5: Solve for x
    x = 699,294,208.61/36,238.80
  6. Step 6: Final answer
    x = 19,296.84

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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.