Home / 26,989.97-40,475.22-11,408.81

Finding the Fourth Proportional to 26,989.97, 40,475.22 and 11,408.81

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Solution

The fourth proportional to 26,989.97, 40,475.22 and 11,408.81 is: 17,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.97 : 40,475.22 = 11,408.81 : x
  2. Step 2: Convert to fraction form
    26,989.97/40,475.22 = 11,408.81/x
  3. Step 3: Cross multiply
    26,989.97x = 40,475.22 × 11,408.81
  4. Step 4: Simplify right side
    26,989.97x = 461,773,892.31
  5. Step 5: Solve for x
    x = 461,773,892.31/26,989.97
  6. Step 6: Final answer
    x = 17,109.10

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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.