Home / 27,744.34-38,287.35-15,169.09

Finding the Fourth Proportional to 27,744.34, 38,287.35 and 15,169.09

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Solution

The fourth proportional to 27,744.34, 38,287.35 and 15,169.09 is: 20,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.34 : 38,287.35 = 15,169.09 : x
  2. Step 2: Convert to fraction form
    27,744.34/38,287.35 = 15,169.09/x
  3. Step 3: Cross multiply
    27,744.34x = 38,287.35 × 15,169.09
  4. Step 4: Simplify right side
    27,744.34x = 580,784,258.01
  5. Step 5: Solve for x
    x = 580,784,258.01/27,744.34
  6. Step 6: Final answer
    x = 20,933.43

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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.