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Finding the Fourth Proportional to 37.62, 56.46 and 26.76

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Solution

The fourth proportional to 37.62, 56.46 and 26.76 is: 40.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.62 : 56.46 = 26.76 : x
  2. Step 2: Convert to fraction form
    37.62/56.46 = 26.76/x
  3. Step 3: Cross multiply
    37.62x = 56.46 × 26.76
  4. Step 4: Simplify right side
    37.62x = 1,510.87
  5. Step 5: Solve for x
    x = 1,510.87/37.62
  6. Step 6: Final answer
    x = 40.16

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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.