Home / 21,517.22-32,215.96-10,964.49

Finding the Fourth Proportional to 21,517.22, 32,215.96 and 10,964.49

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Solution

The fourth proportional to 21,517.22, 32,215.96 and 10,964.49 is: 16,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.22 : 32,215.96 = 10,964.49 : x
  2. Step 2: Convert to fraction form
    21,517.22/32,215.96 = 10,964.49/x
  3. Step 3: Cross multiply
    21,517.22x = 32,215.96 × 10,964.49
  4. Step 4: Simplify right side
    21,517.22x = 353,231,464.16
  5. Step 5: Solve for x
    x = 353,231,464.16/21,517.22
  6. Step 6: Final answer
    x = 16,416.22

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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.