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Finding the Fourth Proportional to 17,158.02, 25,716.51 and 8,842.02

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Solution

The fourth proportional to 17,158.02, 25,716.51 and 8,842.02 is: 13,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,158.02 : 25,716.51 = 8,842.02 : x
  2. Step 2: Convert to fraction form
    17,158.02/25,716.51 = 8,842.02/x
  3. Step 3: Cross multiply
    17,158.02x = 25,716.51 × 8,842.02
  4. Step 4: Simplify right side
    17,158.02x = 227,385,895.75
  5. Step 5: Solve for x
    x = 227,385,895.75/17,158.02
  6. Step 6: Final answer
    x = 13,252.46

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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.