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Finding the Fourth Proportional to 44, 60.75 and 28.46

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Solution

The fourth proportional to 44, 60.75 and 28.46 is: 39.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44 : 60.75 = 28.46 : x
  2. Step 2: Convert to fraction form
    44/60.75 = 28.46/x
  3. Step 3: Cross multiply
    44x = 60.75 × 28.46
  4. Step 4: Simplify right side
    44x = 1,728.95
  5. Step 5: Solve for x
    x = 1,728.95/44
  6. Step 6: Final answer
    x = 39.29

Related Problems

Find fourth proportional to 22, 30.38 and 14.23
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Double scale
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Similar ratio
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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.