Home / 27,571.52-38,049.08-15,634.60

Finding the Fourth Proportional to 27,571.52, 38,049.08 and 15,634.60

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Solution

The fourth proportional to 27,571.52, 38,049.08 and 15,634.60 is: 21,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.52 : 38,049.08 = 15,634.60 : x
  2. Step 2: Convert to fraction form
    27,571.52/38,049.08 = 15,634.60/x
  3. Step 3: Cross multiply
    27,571.52x = 38,049.08 × 15,634.60
  4. Step 4: Simplify right side
    27,571.52x = 594,882,146.17
  5. Step 5: Solve for x
    x = 594,882,146.17/27,571.52
  6. Step 6: Final answer
    x = 21,575.96

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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.