Home / 27,744.04-38,286.84-15,169.60

Finding the Fourth Proportional to 27,744.04, 38,286.84 and 15,169.60

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Solution

The fourth proportional to 27,744.04, 38,286.84 and 15,169.60 is: 20,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.04 : 38,286.84 = 15,169.60 : x
  2. Step 2: Convert to fraction form
    27,744.04/38,286.84 = 15,169.60/x
  3. Step 3: Cross multiply
    27,744.04x = 38,286.84 × 15,169.60
  4. Step 4: Simplify right side
    27,744.04x = 580,796,048.06
  5. Step 5: Solve for x
    x = 580,796,048.06/27,744.04
  6. Step 6: Final answer
    x = 20,934.08

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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.