Home / 28,450.98-39,262.32-16,514.82

Finding the Fourth Proportional to 28,450.98, 39,262.32 and 16,514.82

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Solution

The fourth proportional to 28,450.98, 39,262.32 and 16,514.82 is: 22,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.98 : 39,262.32 = 16,514.82 : x
  2. Step 2: Convert to fraction form
    28,450.98/39,262.32 = 16,514.82/x
  3. Step 3: Cross multiply
    28,450.98x = 39,262.32 × 16,514.82
  4. Step 4: Simplify right side
    28,450.98x = 648,410,147.58
  5. Step 5: Solve for x
    x = 648,410,147.58/28,450.98
  6. Step 6: Final answer
    x = 22,790.43

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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.