Home / 27,240.12-40,871.82-15,395.52

Finding the Fourth Proportional to 27,240.12, 40,871.82 and 15,395.52

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Solution

The fourth proportional to 27,240.12, 40,871.82 and 15,395.52 is: 23,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.12 : 40,871.82 = 15,395.52 : x
  2. Step 2: Convert to fraction form
    27,240.12/40,871.82 = 15,395.52/x
  3. Step 3: Cross multiply
    27,240.12x = 40,871.82 × 15,395.52
  4. Step 4: Simplify right side
    27,240.12x = 629,242,922.25
  5. Step 5: Solve for x
    x = 629,242,922.25/27,240.12
  6. Step 6: Final answer
    x = 23,099.86

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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.