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Finding the Fourth Proportional to 18,882.96, 28,329.75 and 5,735.40

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Solution

The fourth proportional to 18,882.96, 28,329.75 and 5,735.40 is: 8,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.96 : 28,329.75 = 5,735.40 : x
  2. Step 2: Convert to fraction form
    18,882.96/28,329.75 = 5,735.40/x
  3. Step 3: Cross multiply
    18,882.96x = 28,329.75 × 5,735.40
  4. Step 4: Simplify right side
    18,882.96x = 162,482,448.15
  5. Step 5: Solve for x
    x = 162,482,448.15/18,882.96
  6. Step 6: Final answer
    x = 8,604.71

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