Home / 27,843.81-38,424.30-15,096.87

Finding the Fourth Proportional to 27,843.81, 38,424.30 and 15,096.87

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Solution

The fourth proportional to 27,843.81, 38,424.30 and 15,096.87 is: 20,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.81 : 38,424.30 = 15,096.87 : x
  2. Step 2: Convert to fraction form
    27,843.81/38,424.30 = 15,096.87/x
  3. Step 3: Cross multiply
    27,843.81x = 38,424.30 × 15,096.87
  4. Step 4: Simplify right side
    27,843.81x = 580,086,593.75
  5. Step 5: Solve for x
    x = 580,086,593.75/27,843.81
  6. Step 6: Final answer
    x = 20,833.59

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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.