Home / 28,740.80-43,094.94-11,190.44

Finding the Fourth Proportional to 28,740.80, 43,094.94 and 11,190.44

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Solution

The fourth proportional to 28,740.80, 43,094.94 and 11,190.44 is: 16,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.80 : 43,094.94 = 11,190.44 : x
  2. Step 2: Convert to fraction form
    28,740.80/43,094.94 = 11,190.44/x
  3. Step 3: Cross multiply
    28,740.80x = 43,094.94 × 11,190.44
  4. Step 4: Simplify right side
    28,740.80x = 482,251,340.37
  5. Step 5: Solve for x
    x = 482,251,340.37/28,740.80
  6. Step 6: Final answer
    x = 16,779.33

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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.