Home / 27,428.85-37,786.97-22,617.45

Finding the Fourth Proportional to 27,428.85, 37,786.97 and 22,617.45

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Solution

The fourth proportional to 27,428.85, 37,786.97 and 22,617.45 is: 31,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.85 : 37,786.97 = 22,617.45 : x
  2. Step 2: Convert to fraction form
    27,428.85/37,786.97 = 22,617.45/x
  3. Step 3: Cross multiply
    27,428.85x = 37,786.97 × 22,617.45
  4. Step 4: Simplify right side
    27,428.85x = 854,644,791.54
  5. Step 5: Solve for x
    x = 854,644,791.54/27,428.85
  6. Step 6: Final answer
    x = 31,158.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.