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Finding the Fourth Proportional to 17.93, 26.91 and 14.92

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Solution

The fourth proportional to 17.93, 26.91 and 14.92 is: 22.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.93 : 26.91 = 14.92 : x
  2. Step 2: Convert to fraction form
    17.93/26.91 = 14.92/x
  3. Step 3: Cross multiply
    17.93x = 26.91 × 14.92
  4. Step 4: Simplify right side
    17.93x = 401.43
  5. Step 5: Solve for x
    x = 401.43/17.93
  6. Step 6: Final answer
    x = 22.39

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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.