Home / 27,040.30-37,262.43-20,674.10

Finding the Fourth Proportional to 27,040.30, 37,262.43 and 20,674.10

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Solution

The fourth proportional to 27,040.30, 37,262.43 and 20,674.10 is: 28,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.30 : 37,262.43 = 20,674.10 : x
  2. Step 2: Convert to fraction form
    27,040.30/37,262.43 = 20,674.10/x
  3. Step 3: Cross multiply
    27,040.30x = 37,262.43 × 20,674.10
  4. Step 4: Simplify right side
    27,040.30x = 770,367,297.22
  5. Step 5: Solve for x
    x = 770,367,297.22/27,040.30
  6. Step 6: Final answer
    x = 28,489.60

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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.