Home / 15,959.75-23,939.60-4,272.66

Finding the Fourth Proportional to 15,959.75, 23,939.60 and 4,272.66

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Solution

The fourth proportional to 15,959.75, 23,939.60 and 4,272.66 is: 6,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.75 : 23,939.60 = 4,272.66 : x
  2. Step 2: Convert to fraction form
    15,959.75/23,939.60 = 4,272.66/x
  3. Step 3: Cross multiply
    15,959.75x = 23,939.60 × 4,272.66
  4. Step 4: Simplify right side
    15,959.75x = 102,285,749.97
  5. Step 5: Solve for x
    x = 102,285,749.97/15,959.75
  6. Step 6: Final answer
    x = 6,408.98

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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.