Home / 28,092.24-42,144.44-8,372.38

Finding the Fourth Proportional to 28,092.24, 42,144.44 and 8,372.38

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Solution

The fourth proportional to 28,092.24, 42,144.44 and 8,372.38 is: 12,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.24 : 42,144.44 = 8,372.38 : x
  2. Step 2: Convert to fraction form
    28,092.24/42,144.44 = 8,372.38/x
  3. Step 3: Cross multiply
    28,092.24x = 42,144.44 × 8,372.38
  4. Step 4: Simplify right side
    28,092.24x = 352,849,266.57
  5. Step 5: Solve for x
    x = 352,849,266.57/28,092.24
  6. Step 6: Final answer
    x = 12,560.38

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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.