Home / 28,630.24-42,932.78-11,751.66

Finding the Fourth Proportional to 28,630.24, 42,932.78 and 11,751.66

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Solution

The fourth proportional to 28,630.24, 42,932.78 and 11,751.66 is: 17,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.24 : 42,932.78 = 11,751.66 : x
  2. Step 2: Convert to fraction form
    28,630.24/42,932.78 = 11,751.66/x
  3. Step 3: Cross multiply
    28,630.24x = 42,932.78 × 11,751.66
  4. Step 4: Simplify right side
    28,630.24x = 504,531,374.66
  5. Step 5: Solve for x
    x = 504,531,374.66/28,630.24
  6. Step 6: Final answer
    x = 17,622.33

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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.