Home / 27,190.76-37,571.94-21,237.48

Finding the Fourth Proportional to 27,190.76, 37,571.94 and 21,237.48

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Solution

The fourth proportional to 27,190.76, 37,571.94 and 21,237.48 is: 29,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.76 : 37,571.94 = 21,237.48 : x
  2. Step 2: Convert to fraction form
    27,190.76/37,571.94 = 21,237.48/x
  3. Step 3: Cross multiply
    27,190.76x = 37,571.94 × 21,237.48
  4. Step 4: Simplify right side
    27,190.76x = 797,933,324.31
  5. Step 5: Solve for x
    x = 797,933,324.31/27,190.76
  6. Step 6: Final answer
    x = 29,345.75

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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.