Home / 28,996.70-43,511.78-15,669.73

Finding the Fourth Proportional to 28,996.70, 43,511.78 and 15,669.73

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Solution

The fourth proportional to 28,996.70, 43,511.78 and 15,669.73 is: 23,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.70 : 43,511.78 = 15,669.73 : x
  2. Step 2: Convert to fraction form
    28,996.70/43,511.78 = 15,669.73/x
  3. Step 3: Cross multiply
    28,996.70x = 43,511.78 × 15,669.73
  4. Step 4: Simplify right side
    28,996.70x = 681,817,937.98
  5. Step 5: Solve for x
    x = 681,817,937.98/28,996.70
  6. Step 6: Final answer
    x = 23,513.64

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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.