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Finding the Fourth Proportional to 29.37, 43.81 and 25.73

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Solution

The fourth proportional to 29.37, 43.81 and 25.73 is: 38.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.37 : 43.81 = 25.73 : x
  2. Step 2: Convert to fraction form
    29.37/43.81 = 25.73/x
  3. Step 3: Cross multiply
    29.37x = 43.81 × 25.73
  4. Step 4: Simplify right side
    29.37x = 1,127.01
  5. Step 5: Solve for x
    x = 1,127.01/29.37
  6. Step 6: Final answer
    x = 38.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.