Home / 21,351.18-32,027.94-8,872.46

Finding the Fourth Proportional to 21,351.18, 32,027.94 and 8,872.46

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Solution

The fourth proportional to 21,351.18, 32,027.94 and 8,872.46 is: 13,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.18 : 32,027.94 = 8,872.46 : x
  2. Step 2: Convert to fraction form
    21,351.18/32,027.94 = 8,872.46/x
  3. Step 3: Cross multiply
    21,351.18x = 32,027.94 × 8,872.46
  4. Step 4: Simplify right side
    21,351.18x = 284,166,756.65
  5. Step 5: Solve for x
    x = 284,166,756.65/21,351.18
  6. Step 6: Final answer
    x = 13,309.18

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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.