Home / 28,907.00-43,359.89-13,324.62

Finding the Fourth Proportional to 28,907.00, 43,359.89 and 13,324.62

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Solution

The fourth proportional to 28,907.00, 43,359.89 and 13,324.62 is: 19,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.00 : 43,359.89 = 13,324.62 : x
  2. Step 2: Convert to fraction form
    28,907.00/43,359.89 = 13,324.62/x
  3. Step 3: Cross multiply
    28,907.00x = 43,359.89 × 13,324.62
  4. Step 4: Simplify right side
    28,907.00x = 577,753,990.87
  5. Step 5: Solve for x
    x = 577,753,990.87/28,907.00
  6. Step 6: Final answer
    x = 19,986.65

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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.