Home / 28,177.69-38,873.94-16,843.00

Finding the Fourth Proportional to 28,177.69, 38,873.94 and 16,843.00

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Solution

The fourth proportional to 28,177.69, 38,873.94 and 16,843.00 is: 23,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.69 : 38,873.94 = 16,843.00 : x
  2. Step 2: Convert to fraction form
    28,177.69/38,873.94 = 16,843.00/x
  3. Step 3: Cross multiply
    28,177.69x = 38,873.94 × 16,843.00
  4. Step 4: Simplify right side
    28,177.69x = 654,753,577.05
  5. Step 5: Solve for x
    x = 654,753,577.05/28,177.69
  6. Step 6: Final answer
    x = 23,236.60

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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.