Home / 27,257.37-37,613.94-15,927.90

Finding the Fourth Proportional to 27,257.37, 37,613.94 and 15,927.90

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Solution

The fourth proportional to 27,257.37, 37,613.94 and 15,927.90 is: 21,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.37 : 37,613.94 = 15,927.90 : x
  2. Step 2: Convert to fraction form
    27,257.37/37,613.94 = 15,927.90/x
  3. Step 3: Cross multiply
    27,257.37x = 37,613.94 × 15,927.90
  4. Step 4: Simplify right side
    27,257.37x = 599,111,074.93
  5. Step 5: Solve for x
    x = 599,111,074.93/27,257.37
  6. Step 6: Final answer
    x = 21,979.78

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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.