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Finding the Fourth Proportional to 26.23, 39.33 and 14.04

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Solution

The fourth proportional to 26.23, 39.33 and 14.04 is: 21.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.23 : 39.33 = 14.04 : x
  2. Step 2: Convert to fraction form
    26.23/39.33 = 14.04/x
  3. Step 3: Cross multiply
    26.23x = 39.33 × 14.04
  4. Step 4: Simplify right side
    26.23x = 552.19
  5. Step 5: Solve for x
    x = 552.19/26.23
  6. Step 6: Final answer
    x = 21.05

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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.