Home / 28,668.26-43,000.86-8,944.56

Finding the Fourth Proportional to 28,668.26, 43,000.86 and 8,944.56

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Solution

The fourth proportional to 28,668.26, 43,000.86 and 8,944.56 is: 13,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.26 : 43,000.86 = 8,944.56 : x
  2. Step 2: Convert to fraction form
    28,668.26/43,000.86 = 8,944.56/x
  3. Step 3: Cross multiply
    28,668.26x = 43,000.86 × 8,944.56
  4. Step 4: Simplify right side
    28,668.26x = 384,623,755.55
  5. Step 5: Solve for x
    x = 384,623,755.55/28,668.26
  6. Step 6: Final answer
    x = 13,416.36

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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.