Home / 21,744.16-32,618.27-6,949.55

Finding the Fourth Proportional to 21,744.16, 32,618.27 and 6,949.55

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Solution

The fourth proportional to 21,744.16, 32,618.27 and 6,949.55 is: 10,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.16 : 32,618.27 = 6,949.55 : x
  2. Step 2: Convert to fraction form
    21,744.16/32,618.27 = 6,949.55/x
  3. Step 3: Cross multiply
    21,744.16x = 32,618.27 × 6,949.55
  4. Step 4: Simplify right side
    21,744.16x = 226,682,397.20
  5. Step 5: Solve for x
    x = 226,682,397.20/21,744.16
  6. Step 6: Final answer
    x = 10,424.98

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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.