Home / 28,940.66-43,412.67-11,171.41

Finding the Fourth Proportional to 28,940.66, 43,412.67 and 11,171.41

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Solution

The fourth proportional to 28,940.66, 43,412.67 and 11,171.41 is: 16,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.66 : 43,412.67 = 11,171.41 : x
  2. Step 2: Convert to fraction form
    28,940.66/43,412.67 = 11,171.41/x
  3. Step 3: Cross multiply
    28,940.66x = 43,412.67 × 11,171.41
  4. Step 4: Simplify right side
    28,940.66x = 484,980,462.84
  5. Step 5: Solve for x
    x = 484,980,462.84/28,940.66
  6. Step 6: Final answer
    x = 16,757.76

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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.