Home / 27,744.79-38,287.88-15,170.35

Finding the Fourth Proportional to 27,744.79, 38,287.88 and 15,170.35

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Solution

The fourth proportional to 27,744.79, 38,287.88 and 15,170.35 is: 20,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.79 : 38,287.88 = 15,170.35 : x
  2. Step 2: Convert to fraction form
    27,744.79/38,287.88 = 15,170.35/x
  3. Step 3: Cross multiply
    27,744.79x = 38,287.88 × 15,170.35
  4. Step 4: Simplify right side
    27,744.79x = 580,840,540.36
  5. Step 5: Solve for x
    x = 580,840,540.36/27,744.79
  6. Step 6: Final answer
    x = 20,935.12

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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.