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Finding the Fourth Proportional to 24.67, 34.05 and 15.46

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Solution

The fourth proportional to 24.67, 34.05 and 15.46 is: 21.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.67 : 34.05 = 15.46 : x
  2. Step 2: Convert to fraction form
    24.67/34.05 = 15.46/x
  3. Step 3: Cross multiply
    24.67x = 34.05 × 15.46
  4. Step 4: Simplify right side
    24.67x = 526.41
  5. Step 5: Solve for x
    x = 526.41/24.67
  6. Step 6: Final answer
    x = 21.34

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Find fourth proportional to 12.34, 17.03 and 7.73
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.