Home / 27,791.09-38,373.82-25,665.84

Finding the Fourth Proportional to 27,791.09, 38,373.82 and 25,665.84

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Solution

The fourth proportional to 27,791.09, 38,373.82 and 25,665.84 is: 35,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.09 : 38,373.82 = 25,665.84 : x
  2. Step 2: Convert to fraction form
    27,791.09/38,373.82 = 25,665.84/x
  3. Step 3: Cross multiply
    27,791.09x = 38,373.82 × 25,665.84
  4. Step 4: Simplify right side
    27,791.09x = 984,896,324.31
  5. Step 5: Solve for x
    x = 984,896,324.31/27,791.09
  6. Step 6: Final answer
    x = 35,439.28

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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.