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Finding the Fourth Proportional to 18,193.14, 27,420.39 and 17,175.98

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Solution

The fourth proportional to 18,193.14, 27,420.39 and 17,175.98 is: 25,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.14 : 27,420.39 = 17,175.98 : x
  2. Step 2: Convert to fraction form
    18,193.14/27,420.39 = 17,175.98/x
  3. Step 3: Cross multiply
    18,193.14x = 27,420.39 × 17,175.98
  4. Step 4: Simplify right side
    18,193.14x = 470,972,138.78
  5. Step 5: Solve for x
    x = 470,972,138.78/18,193.14
  6. Step 6: Final answer
    x = 25,887.35

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.