Home / 21,976.44-32,982.44-12,494.58

Finding the Fourth Proportional to 21,976.44, 32,982.44 and 12,494.58

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Solution

The fourth proportional to 21,976.44, 32,982.44 and 12,494.58 is: 18,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.44 : 32,982.44 = 12,494.58 : x
  2. Step 2: Convert to fraction form
    21,976.44/32,982.44 = 12,494.58/x
  3. Step 3: Cross multiply
    21,976.44x = 32,982.44 × 12,494.58
  4. Step 4: Simplify right side
    21,976.44x = 412,101,672.70
  5. Step 5: Solve for x
    x = 412,101,672.70/21,976.44
  6. Step 6: Final answer
    x = 18,751.98

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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.