Home / 27,187.92-37,515.96-15,249.60

Finding the Fourth Proportional to 27,187.92, 37,515.96 and 15,249.60

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Solution

The fourth proportional to 27,187.92, 37,515.96 and 15,249.60 is: 21,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.92 : 37,515.96 = 15,249.60 : x
  2. Step 2: Convert to fraction form
    27,187.92/37,515.96 = 15,249.60/x
  3. Step 3: Cross multiply
    27,187.92x = 37,515.96 × 15,249.60
  4. Step 4: Simplify right side
    27,187.92x = 572,103,383.62
  5. Step 5: Solve for x
    x = 572,103,383.62/27,187.92
  6. Step 6: Final answer
    x = 21,042.56

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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.