Home / 27,673.49-38,188.97-15,736.56

Finding the Fourth Proportional to 27,673.49, 38,188.97 and 15,736.56

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Solution

The fourth proportional to 27,673.49, 38,188.97 and 15,736.56 is: 21,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.49 : 38,188.97 = 15,736.56 : x
  2. Step 2: Convert to fraction form
    27,673.49/38,188.97 = 15,736.56/x
  3. Step 3: Cross multiply
    27,673.49x = 38,188.97 × 15,736.56
  4. Step 4: Simplify right side
    27,673.49x = 600,962,939.06
  5. Step 5: Solve for x
    x = 600,962,939.06/27,673.49
  6. Step 6: Final answer
    x = 21,716.20

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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.