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Finding the Fourth Proportional to 17,392.75, 26,089.13 and 8,158.75

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Solution

The fourth proportional to 17,392.75, 26,089.13 and 8,158.75 is: 12,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.75 : 26,089.13 = 8,158.75 : x
  2. Step 2: Convert to fraction form
    17,392.75/26,089.13 = 8,158.75/x
  3. Step 3: Cross multiply
    17,392.75x = 26,089.13 × 8,158.75
  4. Step 4: Simplify right side
    17,392.75x = 212,854,689.39
  5. Step 5: Solve for x
    x = 212,854,689.39/17,392.75
  6. Step 6: Final answer
    x = 12,238.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.