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Finding the Fourth Proportional to 18,882, 28,323.60 and 5,734.49

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Solution

The fourth proportional to 18,882, 28,323.60 and 5,734.49 is: 8,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882 : 28,323.60 = 5,734.49 : x
  2. Step 2: Convert to fraction form
    18,882/28,323.60 = 5,734.49/x
  3. Step 3: Cross multiply
    18,882x = 28,323.60 × 5,734.49
  4. Step 4: Simplify right side
    18,882x = 162,421,259.35
  5. Step 5: Solve for x
    x = 162,421,259.35/18,882
  6. Step 6: Final answer
    x = 8,601.91

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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.