Home / 28,628.10-39,504.33-16,692.54

Finding the Fourth Proportional to 28,628.10, 39,504.33 and 16,692.54

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Solution

The fourth proportional to 28,628.10, 39,504.33 and 16,692.54 is: 23,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628.10 : 39,504.33 = 16,692.54 : x
  2. Step 2: Convert to fraction form
    28,628.10/39,504.33 = 16,692.54/x
  3. Step 3: Cross multiply
    28,628.10x = 39,504.33 × 16,692.54
  4. Step 4: Simplify right side
    28,628.10x = 659,427,608.70
  5. Step 5: Solve for x
    x = 659,427,608.70/28,628.10
  6. Step 6: Final answer
    x = 23,034.28

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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.