Home / 28,711.80-43,050.09-11,161.14

Finding the Fourth Proportional to 28,711.80, 43,050.09 and 11,161.14

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Solution

The fourth proportional to 28,711.80, 43,050.09 and 11,161.14 is: 16,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.80 : 43,050.09 = 11,161.14 : x
  2. Step 2: Convert to fraction form
    28,711.80/43,050.09 = 11,161.14/x
  3. Step 3: Cross multiply
    28,711.80x = 43,050.09 × 11,161.14
  4. Step 4: Simplify right side
    28,711.80x = 480,488,081.50
  5. Step 5: Solve for x
    x = 480,488,081.50/28,711.80
  6. Step 6: Final answer
    x = 16,734.86

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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.