Home / 28,917.54-43,383.06-11,150.82

Finding the Fourth Proportional to 28,917.54, 43,383.06 and 11,150.82

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Solution

The fourth proportional to 28,917.54, 43,383.06 and 11,150.82 is: 16,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.54 : 43,383.06 = 11,150.82 : x
  2. Step 2: Convert to fraction form
    28,917.54/43,383.06 = 11,150.82/x
  3. Step 3: Cross multiply
    28,917.54x = 43,383.06 × 11,150.82
  4. Step 4: Simplify right side
    28,917.54x = 483,756,693.11
  5. Step 5: Solve for x
    x = 483,756,693.11/28,917.54
  6. Step 6: Final answer
    x = 16,728.83

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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.