Home / 27,286.14-37,605.92-20,200.26

Finding the Fourth Proportional to 27,286.14, 37,605.92 and 20,200.26

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Solution

The fourth proportional to 27,286.14, 37,605.92 and 20,200.26 is: 27,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.14 : 37,605.92 = 20,200.26 : x
  2. Step 2: Convert to fraction form
    27,286.14/37,605.92 = 20,200.26/x
  3. Step 3: Cross multiply
    27,286.14x = 37,605.92 × 20,200.26
  4. Step 4: Simplify right side
    27,286.14x = 759,649,361.54
  5. Step 5: Solve for x
    x = 759,649,361.54/27,286.14
  6. Step 6: Final answer
    x = 27,840.12

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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.