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Finding the Fourth Proportional to 18,030.96, 27,046.44 and 5,718

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Solution

The fourth proportional to 18,030.96, 27,046.44 and 5,718 is: 8,577

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.96 : 27,046.44 = 5,718 : x
  2. Step 2: Convert to fraction form
    18,030.96/27,046.44 = 5,718/x
  3. Step 3: Cross multiply
    18,030.96x = 27,046.44 × 5,718
  4. Step 4: Simplify right side
    18,030.96x = 154,651,543.92
  5. Step 5: Solve for x
    x = 154,651,543.92/18,030.96
  6. Step 6: Final answer
    x = 8,577

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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.