Home / 27,844.09-38,424.38-15,744.38

Finding the Fourth Proportional to 27,844.09, 38,424.38 and 15,744.38

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Solution

The fourth proportional to 27,844.09, 38,424.38 and 15,744.38 is: 21,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.09 : 38,424.38 = 15,744.38 : x
  2. Step 2: Convert to fraction form
    27,844.09/38,424.38 = 15,744.38/x
  3. Step 3: Cross multiply
    27,844.09x = 38,424.38 × 15,744.38
  4. Step 4: Simplify right side
    27,844.09x = 604,967,769.14
  5. Step 5: Solve for x
    x = 604,967,769.14/27,844.09
  6. Step 6: Final answer
    x = 21,726.97

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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.