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Finding the Fourth Proportional to 17,952.96, 26,928.46 and 5,471.94

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Solution

The fourth proportional to 17,952.96, 26,928.46 and 5,471.94 is: 8,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.96 : 26,928.46 = 5,471.94 : x
  2. Step 2: Convert to fraction form
    17,952.96/26,928.46 = 5,471.94/x
  3. Step 3: Cross multiply
    17,952.96x = 26,928.46 × 5,471.94
  4. Step 4: Simplify right side
    17,952.96x = 147,350,995.06
  5. Step 5: Solve for x
    x = 147,350,995.06/17,952.96
  6. Step 6: Final answer
    x = 8,207.61

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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.