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Finding the Fourth Proportional to 25.97, 39 and 24.95

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Solution

The fourth proportional to 25.97, 39 and 24.95 is: 37.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.97 : 39 = 24.95 : x
  2. Step 2: Convert to fraction form
    25.97/39 = 24.95/x
  3. Step 3: Cross multiply
    25.97x = 39 × 24.95
  4. Step 4: Simplify right side
    25.97x = 973.05
  5. Step 5: Solve for x
    x = 973.05/25.97
  6. Step 6: Final answer
    x = 37.47

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1.5x scale

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.