Home / 27,744.03-38,286.80-15,807.33

Finding the Fourth Proportional to 27,744.03, 38,286.80 and 15,807.33

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Solution

The fourth proportional to 27,744.03, 38,286.80 and 15,807.33 is: 21,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.03 : 38,286.80 = 15,807.33 : x
  2. Step 2: Convert to fraction form
    27,744.03/38,286.80 = 15,807.33/x
  3. Step 3: Cross multiply
    27,744.03x = 38,286.80 × 15,807.33
  4. Step 4: Simplify right side
    27,744.03x = 605,212,003.21
  5. Step 5: Solve for x
    x = 605,212,003.21/27,744.03
  6. Step 6: Final answer
    x = 21,814.13

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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.