Home / 28,763.67-39,692.79-16,017.31

Finding the Fourth Proportional to 28,763.67, 39,692.79 and 16,017.31

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Solution

The fourth proportional to 28,763.67, 39,692.79 and 16,017.31 is: 22,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.67 : 39,692.79 = 16,017.31 : x
  2. Step 2: Convert to fraction form
    28,763.67/39,692.79 = 16,017.31/x
  3. Step 3: Cross multiply
    28,763.67x = 39,692.79 × 16,017.31
  4. Step 4: Simplify right side
    28,763.67x = 635,771,622.96
  5. Step 5: Solve for x
    x = 635,771,622.96/28,763.67
  6. Step 6: Final answer
    x = 22,103.29

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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.