Home / 27,350.31-41,021.81-7,627.21

Finding the Fourth Proportional to 27,350.31, 41,021.81 and 7,627.21

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Solution

The fourth proportional to 27,350.31, 41,021.81 and 7,627.21 is: 11,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,350.31 : 41,021.81 = 7,627.21 : x
  2. Step 2: Convert to fraction form
    27,350.31/41,021.81 = 7,627.21/x
  3. Step 3: Cross multiply
    27,350.31x = 41,021.81 × 7,627.21
  4. Step 4: Simplify right side
    27,350.31x = 312,882,081.07
  5. Step 5: Solve for x
    x = 312,882,081.07/27,350.31
  6. Step 6: Final answer
    x = 11,439.80

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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.