Home / 27,955.40-41,940.38-10,425.38

Finding the Fourth Proportional to 27,955.40, 41,940.38 and 10,425.38

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Solution

The fourth proportional to 27,955.40, 41,940.38 and 10,425.38 is: 15,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.40 : 41,940.38 = 10,425.38 : x
  2. Step 2: Convert to fraction form
    27,955.40/41,940.38 = 10,425.38/x
  3. Step 3: Cross multiply
    27,955.40x = 41,940.38 × 10,425.38
  4. Step 4: Simplify right side
    27,955.40x = 437,244,215.21
  5. Step 5: Solve for x
    x = 437,244,215.21/27,955.40
  6. Step 6: Final answer
    x = 15,640.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.