Home / 27,979.44-38,438.91-25,034.28

Finding the Fourth Proportional to 27,979.44, 38,438.91 and 25,034.28

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Solution

The fourth proportional to 27,979.44, 38,438.91 and 25,034.28 is: 34,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.44 : 38,438.91 = 25,034.28 : x
  2. Step 2: Convert to fraction form
    27,979.44/38,438.91 = 25,034.28/x
  3. Step 3: Cross multiply
    27,979.44x = 38,438.91 × 25,034.28
  4. Step 4: Simplify right side
    27,979.44x = 962,290,435.83
  5. Step 5: Solve for x
    x = 962,290,435.83/27,979.44
  6. Step 6: Final answer
    x = 34,392.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.