Home / 27,609.07-41,420.22-8,890.87

Finding the Fourth Proportional to 27,609.07, 41,420.22 and 8,890.87

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Solution

The fourth proportional to 27,609.07, 41,420.22 and 8,890.87 is: 13,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,609.07 : 41,420.22 = 8,890.87 : x
  2. Step 2: Convert to fraction form
    27,609.07/41,420.22 = 8,890.87/x
  3. Step 3: Cross multiply
    27,609.07x = 41,420.22 × 8,890.87
  4. Step 4: Simplify right side
    27,609.07x = 368,261,687.84
  5. Step 5: Solve for x
    x = 368,261,687.84/27,609.07
  6. Step 6: Final answer
    x = 13,338.43

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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.