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Finding the Fourth Proportional to 17,264.96, 25,885.44 and 8,815.04

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Solution

The fourth proportional to 17,264.96, 25,885.44 and 8,815.04 is: 13,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,264.96 : 25,885.44 = 8,815.04 : x
  2. Step 2: Convert to fraction form
    17,264.96/25,885.44 = 8,815.04/x
  3. Step 3: Cross multiply
    17,264.96x = 25,885.44 × 8,815.04
  4. Step 4: Simplify right side
    17,264.96x = 228,181,189.02
  5. Step 5: Solve for x
    x = 228,181,189.02/17,264.96
  6. Step 6: Final answer
    x = 13,216.43

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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.