Home / 27,940.75-38,558.38-15,194.03

Finding the Fourth Proportional to 27,940.75, 38,558.38 and 15,194.03

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Solution

The fourth proportional to 27,940.75, 38,558.38 and 15,194.03 is: 20,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.75 : 38,558.38 = 15,194.03 : x
  2. Step 2: Convert to fraction form
    27,940.75/38,558.38 = 15,194.03/x
  3. Step 3: Cross multiply
    27,940.75x = 38,558.38 × 15,194.03
  4. Step 4: Simplify right side
    27,940.75x = 585,857,197.07
  5. Step 5: Solve for x
    x = 585,857,197.07/27,940.75
  6. Step 6: Final answer
    x = 20,967.84

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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.