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Finding the Fourth Proportional to 34,625.68, 51,896.48 and 15,879.67

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Solution

The fourth proportional to 34,625.68, 51,896.48 and 15,879.67 is: 23,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,625.68 : 51,896.48 = 15,879.67 : x
  2. Step 2: Convert to fraction form
    34,625.68/51,896.48 = 15,879.67/x
  3. Step 3: Cross multiply
    34,625.68x = 51,896.48 × 15,879.67
  4. Step 4: Simplify right side
    34,625.68x = 824,099,069.70
  5. Step 5: Solve for x
    x = 824,099,069.70/34,625.68
  6. Step 6: Final answer
    x = 23,800.23

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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.