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Finding the Fourth Proportional to 28,769, 43,163.88 and 10,051.80

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Solution

The fourth proportional to 28,769, 43,163.88 and 10,051.80 is: 15,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769 : 43,163.88 = 10,051.80 : x
  2. Step 2: Convert to fraction form
    28,769/43,163.88 = 10,051.80/x
  3. Step 3: Cross multiply
    28,769x = 43,163.88 × 10,051.80
  4. Step 4: Simplify right side
    28,769x = 433,874,688.98
  5. Step 5: Solve for x
    x = 433,874,688.98/28,769
  6. Step 6: Final answer
    x = 15,081.33

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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.