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Finding the Fourth Proportional to 34.84, 48 and 27.55

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Solution

The fourth proportional to 34.84, 48 and 27.55 is: 37.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.84 : 48 = 27.55 : x
  2. Step 2: Convert to fraction form
    34.84/48 = 27.55/x
  3. Step 3: Cross multiply
    34.84x = 48 × 27.55
  4. Step 4: Simplify right side
    34.84x = 1,322.40
  5. Step 5: Solve for x
    x = 1,322.40/34.84
  6. Step 6: Final answer
    x = 37.96

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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.