Home / 28,622.80-39,453.82-22,563.16

Finding the Fourth Proportional to 28,622.80, 39,453.82 and 22,563.16

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Solution

The fourth proportional to 28,622.80, 39,453.82 and 22,563.16 is: 31,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.80 : 39,453.82 = 22,563.16 : x
  2. Step 2: Convert to fraction form
    28,622.80/39,453.82 = 22,563.16/x
  3. Step 3: Cross multiply
    28,622.80x = 39,453.82 × 22,563.16
  4. Step 4: Simplify right side
    28,622.80x = 890,202,853.27
  5. Step 5: Solve for x
    x = 890,202,853.27/28,622.80
  6. Step 6: Final answer
    x = 31,101.18

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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.