Home / 28,834.45-43,262.21-11,316.31

Finding the Fourth Proportional to 28,834.45, 43,262.21 and 11,316.31

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Solution

The fourth proportional to 28,834.45, 43,262.21 and 11,316.31 is: 16,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.45 : 43,262.21 = 11,316.31 : x
  2. Step 2: Convert to fraction form
    28,834.45/43,262.21 = 11,316.31/x
  3. Step 3: Cross multiply
    28,834.45x = 43,262.21 × 11,316.31
  4. Step 4: Simplify right side
    28,834.45x = 489,568,579.65
  5. Step 5: Solve for x
    x = 489,568,579.65/28,834.45
  6. Step 6: Final answer
    x = 16,978.60

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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.