Home / 26,771.72-40,144.22-15,681.16

Finding the Fourth Proportional to 26,771.72, 40,144.22 and 15,681.16

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Solution

The fourth proportional to 26,771.72, 40,144.22 and 15,681.16 is: 23,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.72 : 40,144.22 = 15,681.16 : x
  2. Step 2: Convert to fraction form
    26,771.72/40,144.22 = 15,681.16/x
  3. Step 3: Cross multiply
    26,771.72x = 40,144.22 × 15,681.16
  4. Step 4: Simplify right side
    26,771.72x = 629,507,936.90
  5. Step 5: Solve for x
    x = 629,507,936.90/26,771.72
  6. Step 6: Final answer
    x = 23,513.91

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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.