Home / 28,789.44-39,729.51-16,692.27

Finding the Fourth Proportional to 28,789.44, 39,729.51 and 16,692.27

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Solution

The fourth proportional to 28,789.44, 39,729.51 and 16,692.27 is: 23,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.44 : 39,729.51 = 16,692.27 : x
  2. Step 2: Convert to fraction form
    28,789.44/39,729.51 = 16,692.27/x
  3. Step 3: Cross multiply
    28,789.44x = 39,729.51 × 16,692.27
  4. Step 4: Simplify right side
    28,789.44x = 663,175,707.89
  5. Step 5: Solve for x
    x = 663,175,707.89/28,789.44
  6. Step 6: Final answer
    x = 23,035.38

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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.