Home / 28,858.12-39,825.24-16,757.71

Finding the Fourth Proportional to 28,858.12, 39,825.24 and 16,757.71

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Solution

The fourth proportional to 28,858.12, 39,825.24 and 16,757.71 is: 23,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.12 : 39,825.24 = 16,757.71 : x
  2. Step 2: Convert to fraction form
    28,858.12/39,825.24 = 16,757.71/x
  3. Step 3: Cross multiply
    28,858.12x = 39,825.24 × 16,757.71
  4. Step 4: Simplify right side
    28,858.12x = 667,379,822.60
  5. Step 5: Solve for x
    x = 667,379,822.60/28,858.12
  6. Step 6: Final answer
    x = 23,126.24

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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.