Home / 27,189.89-37,521.97-15,092.21

Finding the Fourth Proportional to 27,189.89, 37,521.97 and 15,092.21

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Solution

The fourth proportional to 27,189.89, 37,521.97 and 15,092.21 is: 20,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.89 : 37,521.97 = 15,092.21 : x
  2. Step 2: Convert to fraction form
    27,189.89/37,521.97 = 15,092.21/x
  3. Step 3: Cross multiply
    27,189.89x = 37,521.97 × 15,092.21
  4. Step 4: Simplify right side
    27,189.89x = 566,289,295.87
  5. Step 5: Solve for x
    x = 566,289,295.87/27,189.89
  6. Step 6: Final answer
    x = 20,827.20

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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.