Home / 27,570.97-38,049.92-15,635.35

Finding the Fourth Proportional to 27,570.97, 38,049.92 and 15,635.35

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Solution

The fourth proportional to 27,570.97, 38,049.92 and 15,635.35 is: 21,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.97 : 38,049.92 = 15,635.35 : x
  2. Step 2: Convert to fraction form
    27,570.97/38,049.92 = 15,635.35/x
  3. Step 3: Cross multiply
    27,570.97x = 38,049.92 × 15,635.35
  4. Step 4: Simplify right side
    27,570.97x = 594,923,816.67
  5. Step 5: Solve for x
    x = 594,923,816.67/27,570.97
  6. Step 6: Final answer
    x = 21,577.91

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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.