Home / 28,839.06-39,801.92-16,906.28

Finding the Fourth Proportional to 28,839.06, 39,801.92 and 16,906.28

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Solution

The fourth proportional to 28,839.06, 39,801.92 and 16,906.28 is: 23,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.06 : 39,801.92 = 16,906.28 : x
  2. Step 2: Convert to fraction form
    28,839.06/39,801.92 = 16,906.28/x
  3. Step 3: Cross multiply
    28,839.06x = 39,801.92 × 16,906.28
  4. Step 4: Simplify right side
    28,839.06x = 672,902,120.52
  5. Step 5: Solve for x
    x = 672,902,120.52/28,839.06
  6. Step 6: Final answer
    x = 23,333.01

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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.