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Finding the Fourth Proportional to 23,951.10, 35,926.62 and 7,311.21

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Solution

The fourth proportional to 23,951.10, 35,926.62 and 7,311.21 is: 10,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,951.10 : 35,926.62 = 7,311.21 : x
  2. Step 2: Convert to fraction form
    23,951.10/35,926.62 = 7,311.21/x
  3. Step 3: Cross multiply
    23,951.10x = 35,926.62 × 7,311.21
  4. Step 4: Simplify right side
    23,951.10x = 262,667,063.41
  5. Step 5: Solve for x
    x = 262,667,063.41/23,951.10
  6. Step 6: Final answer
    x = 10,966.81

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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.