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Finding the Fourth Proportional to 25.48, 38 and 24.00

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Solution

The fourth proportional to 25.48, 38 and 24.00 is: 35.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.48 : 38 = 24.00 : x
  2. Step 2: Convert to fraction form
    25.48/38 = 24.00/x
  3. Step 3: Cross multiply
    25.48x = 38 × 24.00
  4. Step 4: Simplify right side
    25.48x = 911.81
  5. Step 5: Solve for x
    x = 911.81/25.48
  6. Step 6: Final answer
    x = 35.79

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1.5x scale

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.