Home / 28,996.86-43,491.15-9,272.82

Finding the Fourth Proportional to 28,996.86, 43,491.15 and 9,272.82

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Solution

The fourth proportional to 28,996.86, 43,491.15 and 9,272.82 is: 13,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.86 : 43,491.15 = 9,272.82 : x
  2. Step 2: Convert to fraction form
    28,996.86/43,491.15 = 9,272.82/x
  3. Step 3: Cross multiply
    28,996.86x = 43,491.15 × 9,272.82
  4. Step 4: Simplify right side
    28,996.86x = 403,285,605.54
  5. Step 5: Solve for x
    x = 403,285,605.54/28,996.86
  6. Step 6: Final answer
    x = 13,907.91

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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.