Home / 27,844.44-38,476.20-20,277.60

Finding the Fourth Proportional to 27,844.44, 38,476.20 and 20,277.60

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Solution

The fourth proportional to 27,844.44, 38,476.20 and 20,277.60 is: 28,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.44 : 38,476.20 = 20,277.60 : x
  2. Step 2: Convert to fraction form
    27,844.44/38,476.20 = 20,277.60/x
  3. Step 3: Cross multiply
    27,844.44x = 38,476.20 × 20,277.60
  4. Step 4: Simplify right side
    27,844.44x = 780,204,993.12
  5. Step 5: Solve for x
    x = 780,204,993.12/27,844.44
  6. Step 6: Final answer
    x = 28,020.14

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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.