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Finding the Fourth Proportional to 38,014.20, 57,013.20 and 16,954.20

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Solution

The fourth proportional to 38,014.20, 57,013.20 and 16,954.20 is: 25,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.20 : 57,013.20 = 16,954.20 : x
  2. Step 2: Convert to fraction form
    38,014.20/57,013.20 = 16,954.20/x
  3. Step 3: Cross multiply
    38,014.20x = 57,013.20 × 16,954.20
  4. Step 4: Simplify right side
    38,014.20x = 966,613,195.44
  5. Step 5: Solve for x
    x = 966,613,195.44/38,014.20
  6. Step 6: Final answer
    x = 25,427.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.