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Finding the Fourth Proportional to 34,602.75, 51,907.77 and 15,879.60

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Solution

The fourth proportional to 34,602.75, 51,907.77 and 15,879.60 is: 23,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,602.75 : 51,907.77 = 15,879.60 : x
  2. Step 2: Convert to fraction form
    34,602.75/51,907.77 = 15,879.60/x
  3. Step 3: Cross multiply
    34,602.75x = 51,907.77 × 15,879.60
  4. Step 4: Simplify right side
    34,602.75x = 824,274,624.49
  5. Step 5: Solve for x
    x = 824,274,624.49/34,602.75
  6. Step 6: Final answer
    x = 23,821.07

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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.