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Finding the Fourth Proportional to 17.30, 26.04 and 13.32

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Solution

The fourth proportional to 17.30, 26.04 and 13.32 is: 20.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.30 : 26.04 = 13.32 : x
  2. Step 2: Convert to fraction form
    17.30/26.04 = 13.32/x
  3. Step 3: Cross multiply
    17.30x = 26.04 × 13.32
  4. Step 4: Simplify right side
    17.30x = 346.85
  5. Step 5: Solve for x
    x = 346.85/17.30
  6. Step 6: Final answer
    x = 20.06

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Why These Related Problems?

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