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Finding the Fourth Proportional to 25.71, 38.39 and 22.83

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Solution

The fourth proportional to 25.71, 38.39 and 22.83 is: 34.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.71 : 38.39 = 22.83 : x
  2. Step 2: Convert to fraction form
    25.71/38.39 = 22.83/x
  3. Step 3: Cross multiply
    25.71x = 38.39 × 22.83
  4. Step 4: Simplify right side
    25.71x = 876.50
  5. Step 5: Solve for x
    x = 876.50/25.71
  6. Step 6: Final answer
    x = 34.09

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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.