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Finding the Fourth Proportional to 17,405, 26,072.94 and 8,613.08

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Solution

The fourth proportional to 17,405, 26,072.94 and 8,613.08 is: 12,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405 : 26,072.94 = 8,613.08 : x
  2. Step 2: Convert to fraction form
    17,405/26,072.94 = 8,613.08/x
  3. Step 3: Cross multiply
    17,405x = 26,072.94 × 8,613.08
  4. Step 4: Simplify right side
    17,405x = 224,568,318.06
  5. Step 5: Solve for x
    x = 224,568,318.06/17,405
  6. Step 6: Final answer
    x = 12,902.52

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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.