Home / 27,960.73-38,586.58-15,214.03

Finding the Fourth Proportional to 27,960.73, 38,586.58 and 15,214.03

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Solution

The fourth proportional to 27,960.73, 38,586.58 and 15,214.03 is: 20,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.73 : 38,586.58 = 15,214.03 : x
  2. Step 2: Convert to fraction form
    27,960.73/38,586.58 = 15,214.03/x
  3. Step 3: Cross multiply
    27,960.73x = 38,586.58 × 15,214.03
  4. Step 4: Simplify right side
    27,960.73x = 587,057,251.22
  5. Step 5: Solve for x
    x = 587,057,251.22/27,960.73
  6. Step 6: Final answer
    x = 20,995.78

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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.