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Finding the Fourth Proportional to 19,949.30, 27,530.22 and 10,997.12

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Solution

The fourth proportional to 19,949.30, 27,530.22 and 10,997.12 is: 15,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.30 : 27,530.22 = 10,997.12 : x
  2. Step 2: Convert to fraction form
    19,949.30/27,530.22 = 10,997.12/x
  3. Step 3: Cross multiply
    19,949.30x = 27,530.22 × 10,997.12
  4. Step 4: Simplify right side
    19,949.30x = 302,753,201.79
  5. Step 5: Solve for x
    x = 302,753,201.79/19,949.30
  6. Step 6: Final answer
    x = 15,176.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.