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Finding the Fourth Proportional to 26,996, 40,519.92 and 13,154.72

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Solution

The fourth proportional to 26,996, 40,519.92 and 13,154.72 is: 19,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,996 : 40,519.92 = 13,154.72 : x
  2. Step 2: Convert to fraction form
    26,996/40,519.92 = 13,154.72/x
  3. Step 3: Cross multiply
    26,996x = 40,519.92 × 13,154.72
  4. Step 4: Simplify right side
    26,996x = 533,028,202.02
  5. Step 5: Solve for x
    x = 533,028,202.02/26,996
  6. Step 6: Final answer
    x = 19,744.71

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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.