Home / 26,722.66-40,093.20-11,941.78

Finding the Fourth Proportional to 26,722.66, 40,093.20 and 11,941.78

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Solution

The fourth proportional to 26,722.66, 40,093.20 and 11,941.78 is: 17,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.66 : 40,093.20 = 11,941.78 : x
  2. Step 2: Convert to fraction form
    26,722.66/40,093.20 = 11,941.78/x
  3. Step 3: Cross multiply
    26,722.66x = 40,093.20 × 11,941.78
  4. Step 4: Simplify right side
    26,722.66x = 478,784,173.90
  5. Step 5: Solve for x
    x = 478,784,173.90/26,722.66
  6. Step 6: Final answer
    x = 17,916.79

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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.