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Finding the Fourth Proportional to 44.77, 61.77 and 27.28

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Solution

The fourth proportional to 44.77, 61.77 and 27.28 is: 37.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.77 : 61.77 = 27.28 : x
  2. Step 2: Convert to fraction form
    44.77/61.77 = 27.28/x
  3. Step 3: Cross multiply
    44.77x = 61.77 × 27.28
  4. Step 4: Simplify right side
    44.77x = 1,685.16
  5. Step 5: Solve for x
    x = 1,685.16/44.77
  6. Step 6: Final answer
    x = 37.64

Related Problems

Find fourth proportional to 22.38, 30.89 and 13.64
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Double scale
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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.