Home / 27,966.28-38,593.44-15,391.03

Finding the Fourth Proportional to 27,966.28, 38,593.44 and 15,391.03

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Solution

The fourth proportional to 27,966.28, 38,593.44 and 15,391.03 is: 21,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.28 : 38,593.44 = 15,391.03 : x
  2. Step 2: Convert to fraction form
    27,966.28/38,593.44 = 15,391.03/x
  3. Step 3: Cross multiply
    27,966.28x = 38,593.44 × 15,391.03
  4. Step 4: Simplify right side
    27,966.28x = 593,992,792.84
  5. Step 5: Solve for x
    x = 593,992,792.84/27,966.28
  6. Step 6: Final answer
    x = 21,239.61

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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.