Home / 27,843.28-38,417.91-17,765.30

Finding the Fourth Proportional to 27,843.28, 38,417.91 and 17,765.30

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Solution

The fourth proportional to 27,843.28, 38,417.91 and 17,765.30 is: 24,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.28 : 38,417.91 = 17,765.30 : x
  2. Step 2: Convert to fraction form
    27,843.28/38,417.91 = 17,765.30/x
  3. Step 3: Cross multiply
    27,843.28x = 38,417.91 × 17,765.30
  4. Step 4: Simplify right side
    27,843.28x = 682,505,696.52
  5. Step 5: Solve for x
    x = 682,505,696.52/27,843.28
  6. Step 6: Final answer
    x = 24,512.40

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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.