Home / 27,744.93-38,288.57-15,170.49

Finding the Fourth Proportional to 27,744.93, 38,288.57 and 15,170.49

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Solution

The fourth proportional to 27,744.93, 38,288.57 and 15,170.49 is: 20,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.93 : 38,288.57 = 15,170.49 : x
  2. Step 2: Convert to fraction form
    27,744.93/38,288.57 = 15,170.49/x
  3. Step 3: Cross multiply
    27,744.93x = 38,288.57 × 15,170.49
  4. Step 4: Simplify right side
    27,744.93x = 580,856,292.45
  5. Step 5: Solve for x
    x = 580,856,292.45/27,744.93
  6. Step 6: Final answer
    x = 20,935.58

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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.