Home / 28,834.23-43,251.07-9,112.78

Finding the Fourth Proportional to 28,834.23, 43,251.07 and 9,112.78

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Solution

The fourth proportional to 28,834.23, 43,251.07 and 9,112.78 is: 13,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.23 : 43,251.07 = 9,112.78 : x
  2. Step 2: Convert to fraction form
    28,834.23/43,251.07 = 9,112.78/x
  3. Step 3: Cross multiply
    28,834.23x = 43,251.07 × 9,112.78
  4. Step 4: Simplify right side
    28,834.23x = 394,137,485.67
  5. Step 5: Solve for x
    x = 394,137,485.67/28,834.23
  6. Step 6: Final answer
    x = 13,669.08

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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.