Home / 28,734.54-39,654.27-16,163.34

Finding the Fourth Proportional to 28,734.54, 39,654.27 and 16,163.34

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Solution

The fourth proportional to 28,734.54, 39,654.27 and 16,163.34 is: 22,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.54 : 39,654.27 = 16,163.34 : x
  2. Step 2: Convert to fraction form
    28,734.54/39,654.27 = 16,163.34/x
  3. Step 3: Cross multiply
    28,734.54x = 39,654.27 × 16,163.34
  4. Step 4: Simplify right side
    28,734.54x = 640,945,448.46
  5. Step 5: Solve for x
    x = 640,945,448.46/28,734.54
  6. Step 6: Final answer
    x = 22,305.75

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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.