Home / 27,331.20-37,717.26-15,393.42

Finding the Fourth Proportional to 27,331.20, 37,717.26 and 15,393.42

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Solution

The fourth proportional to 27,331.20, 37,717.26 and 15,393.42 is: 21,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.20 : 37,717.26 = 15,393.42 : x
  2. Step 2: Convert to fraction form
    27,331.20/37,717.26 = 15,393.42/x
  3. Step 3: Cross multiply
    27,331.20x = 37,717.26 × 15,393.42
  4. Step 4: Simplify right side
    27,331.20x = 580,597,624.43
  5. Step 5: Solve for x
    x = 580,597,624.43/27,331.20
  6. Step 6: Final answer
    x = 21,243.03

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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.