Home / 28,799.90-43,183.58-11,923.37

Finding the Fourth Proportional to 28,799.90, 43,183.58 and 11,923.37

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Solution

The fourth proportional to 28,799.90, 43,183.58 and 11,923.37 is: 17,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.90 : 43,183.58 = 11,923.37 : x
  2. Step 2: Convert to fraction form
    28,799.90/43,183.58 = 11,923.37/x
  3. Step 3: Cross multiply
    28,799.90x = 43,183.58 × 11,923.37
  4. Step 4: Simplify right side
    28,799.90x = 514,893,755.74
  5. Step 5: Solve for x
    x = 514,893,755.74/28,799.90
  6. Step 6: Final answer
    x = 17,878.31

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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.