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Finding the Fourth Proportional to 26.23, 36.20 and 22.13

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Solution

The fourth proportional to 26.23, 36.20 and 22.13 is: 30.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.23 : 36.20 = 22.13 : x
  2. Step 2: Convert to fraction form
    26.23/36.20 = 22.13/x
  3. Step 3: Cross multiply
    26.23x = 36.20 × 22.13
  4. Step 4: Simplify right side
    26.23x = 800.81
  5. Step 5: Solve for x
    x = 800.81/26.23
  6. Step 6: Final answer
    x = 30.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.