Home / 28,834.09-43,250.99-9,112.61

Finding the Fourth Proportional to 28,834.09, 43,250.99 and 9,112.61

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Solution

The fourth proportional to 28,834.09, 43,250.99 and 9,112.61 is: 13,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.09 : 43,250.99 = 9,112.61 : x
  2. Step 2: Convert to fraction form
    28,834.09/43,250.99 = 9,112.61/x
  3. Step 3: Cross multiply
    28,834.09x = 43,250.99 × 9,112.61
  4. Step 4: Simplify right side
    28,834.09x = 394,129,403.98
  5. Step 5: Solve for x
    x = 394,129,403.98/28,834.09
  6. Step 6: Final answer
    x = 13,668.87

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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.