Home / 27,889.20-41,836.43-9,169.28

Finding the Fourth Proportional to 27,889.20, 41,836.43 and 9,169.28

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Solution

The fourth proportional to 27,889.20, 41,836.43 and 9,169.28 is: 13,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.20 : 41,836.43 = 9,169.28 : x
  2. Step 2: Convert to fraction form
    27,889.20/41,836.43 = 9,169.28/x
  3. Step 3: Cross multiply
    27,889.20x = 41,836.43 × 9,169.28
  4. Step 4: Simplify right side
    27,889.20x = 383,610,010.23
  5. Step 5: Solve for x
    x = 383,610,010.23/27,889.20
  6. Step 6: Final answer
    x = 13,754.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.