Home / 21,606.75-32,387.93-8,276.62

Finding the Fourth Proportional to 21,606.75, 32,387.93 and 8,276.62

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Solution

The fourth proportional to 21,606.75, 32,387.93 and 8,276.62 is: 12,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.75 : 32,387.93 = 8,276.62 : x
  2. Step 2: Convert to fraction form
    21,606.75/32,387.93 = 8,276.62/x
  3. Step 3: Cross multiply
    21,606.75x = 32,387.93 × 8,276.62
  4. Step 4: Simplify right side
    21,606.75x = 268,062,589.20
  5. Step 5: Solve for x
    x = 268,062,589.20/21,606.75
  6. Step 6: Final answer
    x = 12,406.43

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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.