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Finding the Fourth Proportional to 18,448.97, 27,678.11 and 5,301.05

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Solution

The fourth proportional to 18,448.97, 27,678.11 and 5,301.05 is: 7,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.97 : 27,678.11 = 5,301.05 : x
  2. Step 2: Convert to fraction form
    18,448.97/27,678.11 = 5,301.05/x
  3. Step 3: Cross multiply
    18,448.97x = 27,678.11 × 5,301.05
  4. Step 4: Simplify right side
    18,448.97x = 146,722,880.12
  5. Step 5: Solve for x
    x = 146,722,880.12/18,448.97
  6. Step 6: Final answer
    x = 7,952.91

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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.