Home / 27,673.72-38,189.64-15,098.56

Finding the Fourth Proportional to 27,673.72, 38,189.64 and 15,098.56

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Solution

The fourth proportional to 27,673.72, 38,189.64 and 15,098.56 is: 20,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.72 : 38,189.64 = 15,098.56 : x
  2. Step 2: Convert to fraction form
    27,673.72/38,189.64 = 15,098.56/x
  3. Step 3: Cross multiply
    27,673.72x = 38,189.64 × 15,098.56
  4. Step 4: Simplify right side
    27,673.72x = 576,608,570.92
  5. Step 5: Solve for x
    x = 576,608,570.92/27,673.72
  6. Step 6: Final answer
    x = 20,835.96

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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.