Home / 21,723.94-32,579.42-8,394.58

Finding the Fourth Proportional to 21,723.94, 32,579.42 and 8,394.58

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Solution

The fourth proportional to 21,723.94, 32,579.42 and 8,394.58 is: 12,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.94 : 32,579.42 = 8,394.58 : x
  2. Step 2: Convert to fraction form
    21,723.94/32,579.42 = 8,394.58/x
  3. Step 3: Cross multiply
    21,723.94x = 32,579.42 × 8,394.58
  4. Step 4: Simplify right side
    21,723.94x = 273,490,487.08
  5. Step 5: Solve for x
    x = 273,490,487.08/21,723.94
  6. Step 6: Final answer
    x = 12,589.36

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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.