Home / 27,231.07-37,581.15-15,296.80

Finding the Fourth Proportional to 27,231.07, 37,581.15 and 15,296.80

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Solution

The fourth proportional to 27,231.07, 37,581.15 and 15,296.80 is: 21,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.07 : 37,581.15 = 15,296.80 : x
  2. Step 2: Convert to fraction form
    27,231.07/37,581.15 = 15,296.80/x
  3. Step 3: Cross multiply
    27,231.07x = 37,581.15 × 15,296.80
  4. Step 4: Simplify right side
    27,231.07x = 574,871,335.32
  5. Step 5: Solve for x
    x = 574,871,335.32/27,231.07
  6. Step 6: Final answer
    x = 21,110.86

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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.