Home / 27,190.72-40,786.26-7,471.36

Finding the Fourth Proportional to 27,190.72, 40,786.26 and 7,471.36

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Solution

The fourth proportional to 27,190.72, 40,786.26 and 7,471.36 is: 11,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.72 : 40,786.26 = 7,471.36 : x
  2. Step 2: Convert to fraction form
    27,190.72/40,786.26 = 7,471.36/x
  3. Step 3: Cross multiply
    27,190.72x = 40,786.26 × 7,471.36
  4. Step 4: Simplify right side
    27,190.72x = 304,728,831.51
  5. Step 5: Solve for x
    x = 304,728,831.51/27,190.72
  6. Step 6: Final answer
    x = 11,207.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.