Home / 28,874.06-39,846.21-15,626.06

Finding the Fourth Proportional to 28,874.06, 39,846.21 and 15,626.06

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Solution

The fourth proportional to 28,874.06, 39,846.21 and 15,626.06 is: 21,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.06 : 39,846.21 = 15,626.06 : x
  2. Step 2: Convert to fraction form
    28,874.06/39,846.21 = 15,626.06/x
  3. Step 3: Cross multiply
    28,874.06x = 39,846.21 × 15,626.06
  4. Step 4: Simplify right side
    28,874.06x = 622,639,309.25
  5. Step 5: Solve for x
    x = 622,639,309.25/28,874.06
  6. Step 6: Final answer
    x = 21,563.97

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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.