Home / 21,576.62-32,321.19-11,166.50

Finding the Fourth Proportional to 21,576.62, 32,321.19 and 11,166.50

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Solution

The fourth proportional to 21,576.62, 32,321.19 and 11,166.50 is: 16,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.62 : 32,321.19 = 11,166.50 : x
  2. Step 2: Convert to fraction form
    21,576.62/32,321.19 = 11,166.50/x
  3. Step 3: Cross multiply
    21,576.62x = 32,321.19 × 11,166.50
  4. Step 4: Simplify right side
    21,576.62x = 360,914,568.14
  5. Step 5: Solve for x
    x = 360,914,568.14/21,576.62
  6. Step 6: Final answer
    x = 16,727.11

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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.