Home / 28,558.44-42,857.10-17,170.24

Finding the Fourth Proportional to 28,558.44, 42,857.10 and 17,170.24

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Solution

The fourth proportional to 28,558.44, 42,857.10 and 17,170.24 is: 25,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.44 : 42,857.10 = 17,170.24 : x
  2. Step 2: Convert to fraction form
    28,558.44/42,857.10 = 17,170.24/x
  3. Step 3: Cross multiply
    28,558.44x = 42,857.10 × 17,170.24
  4. Step 4: Simplify right side
    28,558.44x = 735,866,692.70
  5. Step 5: Solve for x
    x = 735,866,692.70/28,558.44
  6. Step 6: Final answer
    x = 25,767.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.