Home / 28,728.52-39,644.97-16,153.27

Finding the Fourth Proportional to 28,728.52, 39,644.97 and 16,153.27

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Solution

The fourth proportional to 28,728.52, 39,644.97 and 16,153.27 is: 22,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.52 : 39,644.97 = 16,153.27 : x
  2. Step 2: Convert to fraction form
    28,728.52/39,644.97 = 16,153.27/x
  3. Step 3: Cross multiply
    28,728.52x = 39,644.97 × 16,153.27
  4. Step 4: Simplify right side
    28,728.52x = 640,395,706.33
  5. Step 5: Solve for x
    x = 640,395,706.33/28,728.52
  6. Step 6: Final answer
    x = 22,291.29

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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.