Home / 28,705.01-43,065.68-11,179.85

Finding the Fourth Proportional to 28,705.01, 43,065.68 and 11,179.85

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Solution

The fourth proportional to 28,705.01, 43,065.68 and 11,179.85 is: 16,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.01 : 43,065.68 = 11,179.85 : x
  2. Step 2: Convert to fraction form
    28,705.01/43,065.68 = 11,179.85/x
  3. Step 3: Cross multiply
    28,705.01x = 43,065.68 × 11,179.85
  4. Step 4: Simplify right side
    28,705.01x = 481,467,571.32
  5. Step 5: Solve for x
    x = 481,467,571.32/28,705.01
  6. Step 6: Final answer
    x = 16,772.95

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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.