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Finding the Fourth Proportional to 26.57, 40.04 and 25.33

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Solution

The fourth proportional to 26.57, 40.04 and 25.33 is: 38.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.57 : 40.04 = 25.33 : x
  2. Step 2: Convert to fraction form
    26.57/40.04 = 25.33/x
  3. Step 3: Cross multiply
    26.57x = 40.04 × 25.33
  4. Step 4: Simplify right side
    26.57x = 1,014.01
  5. Step 5: Solve for x
    x = 1,014.01/26.57
  6. Step 6: Final answer
    x = 38.16

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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.