Home / 28,984.26-43,467.68-11,211.78

Finding the Fourth Proportional to 28,984.26, 43,467.68 and 11,211.78

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Solution

The fourth proportional to 28,984.26, 43,467.68 and 11,211.78 is: 16,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.26 : 43,467.68 = 11,211.78 : x
  2. Step 2: Convert to fraction form
    28,984.26/43,467.68 = 11,211.78/x
  3. Step 3: Cross multiply
    28,984.26x = 43,467.68 × 11,211.78
  4. Step 4: Simplify right side
    28,984.26x = 487,350,065.27
  5. Step 5: Solve for x
    x = 487,350,065.27/28,984.26
  6. Step 6: Final answer
    x = 16,814.30

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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.