Home / 28,442.24-39,249.48-16,506.56

Finding the Fourth Proportional to 28,442.24, 39,249.48 and 16,506.56

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Solution

The fourth proportional to 28,442.24, 39,249.48 and 16,506.56 is: 22,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.24 : 39,249.48 = 16,506.56 : x
  2. Step 2: Convert to fraction form
    28,442.24/39,249.48 = 16,506.56/x
  3. Step 3: Cross multiply
    28,442.24x = 39,249.48 × 16,506.56
  4. Step 4: Simplify right side
    28,442.24x = 647,873,896.59
  5. Step 5: Solve for x
    x = 647,873,896.59/28,442.24
  6. Step 6: Final answer
    x = 22,778.58

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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.