Home / 27,021.25-37,287.78-15,085.34

Finding the Fourth Proportional to 27,021.25, 37,287.78 and 15,085.34

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Solution

The fourth proportional to 27,021.25, 37,287.78 and 15,085.34 is: 20,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.25 : 37,287.78 = 15,085.34 : x
  2. Step 2: Convert to fraction form
    27,021.25/37,287.78 = 15,085.34/x
  3. Step 3: Cross multiply
    27,021.25x = 37,287.78 × 15,085.34
  4. Step 4: Simplify right side
    27,021.25x = 562,498,735.97
  5. Step 5: Solve for x
    x = 562,498,735.97/27,021.25
  6. Step 6: Final answer
    x = 20,816.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.