Home / 28,843.91-39,801.20-16,741.60

Finding the Fourth Proportional to 28,843.91, 39,801.20 and 16,741.60

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Solution

The fourth proportional to 28,843.91, 39,801.20 and 16,741.60 is: 23,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.91 : 39,801.20 = 16,741.60 : x
  2. Step 2: Convert to fraction form
    28,843.91/39,801.20 = 16,741.60/x
  3. Step 3: Cross multiply
    28,843.91x = 39,801.20 × 16,741.60
  4. Step 4: Simplify right side
    28,843.91x = 666,335,769.92
  5. Step 5: Solve for x
    x = 666,335,769.92/28,843.91
  6. Step 6: Final answer
    x = 23,101.44

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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.