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Finding the Fourth Proportional to 26.08, 39 and 22.04

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Solution

The fourth proportional to 26.08, 39 and 22.04 is: 32.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.08 : 39 = 22.04 : x
  2. Step 2: Convert to fraction form
    26.08/39 = 22.04/x
  3. Step 3: Cross multiply
    26.08x = 39 × 22.04
  4. Step 4: Simplify right side
    26.08x = 859.56
  5. Step 5: Solve for x
    x = 859.56/26.08
  6. Step 6: Final answer
    x = 32.96

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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.