Home / 28,840.91-43,235.45-11,323.31

Finding the Fourth Proportional to 28,840.91, 43,235.45 and 11,323.31

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Solution

The fourth proportional to 28,840.91, 43,235.45 and 11,323.31 is: 16,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.91 : 43,235.45 = 11,323.31 : x
  2. Step 2: Convert to fraction form
    28,840.91/43,235.45 = 11,323.31/x
  3. Step 3: Cross multiply
    28,840.91x = 43,235.45 × 11,323.31
  4. Step 4: Simplify right side
    28,840.91x = 489,568,346.72
  5. Step 5: Solve for x
    x = 489,568,346.72/28,840.91
  6. Step 6: Final answer
    x = 16,974.79

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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.