Home / 21,516.80-32,287.41-8,367.39

Finding the Fourth Proportional to 21,516.80, 32,287.41 and 8,367.39

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Solution

The fourth proportional to 21,516.80, 32,287.41 and 8,367.39 is: 12,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.80 : 32,287.41 = 8,367.39 : x
  2. Step 2: Convert to fraction form
    21,516.80/32,287.41 = 8,367.39/x
  3. Step 3: Cross multiply
    21,516.80x = 32,287.41 × 8,367.39
  4. Step 4: Simplify right side
    21,516.80x = 270,161,351.56
  5. Step 5: Solve for x
    x = 270,161,351.56/21,516.80
  6. Step 6: Final answer
    x = 12,555.84

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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.