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Finding the Fourth Proportional to 20,265.00, 30,399.03 and 5,473.70

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Solution

The fourth proportional to 20,265.00, 30,399.03 and 5,473.70 is: 8,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.00 : 30,399.03 = 5,473.70 : x
  2. Step 2: Convert to fraction form
    20,265.00/30,399.03 = 5,473.70/x
  3. Step 3: Cross multiply
    20,265.00x = 30,399.03 × 5,473.70
  4. Step 4: Simplify right side
    20,265.00x = 166,395,143.14
  5. Step 5: Solve for x
    x = 166,395,143.14/20,265.00
  6. Step 6: Final answer
    x = 8,210.96

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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.