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Finding the Fourth Proportional to 17,602.98, 26,395.82 and 8,708.03

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Solution

The fourth proportional to 17,602.98, 26,395.82 and 8,708.03 is: 13,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.98 : 26,395.82 = 8,708.03 : x
  2. Step 2: Convert to fraction form
    17,602.98/26,395.82 = 8,708.03/x
  3. Step 3: Cross multiply
    17,602.98x = 26,395.82 × 8,708.03
  4. Step 4: Simplify right side
    17,602.98x = 229,855,592.43
  5. Step 5: Solve for x
    x = 229,855,592.43/17,602.98
  6. Step 6: Final answer
    x = 13,057.77

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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.