Home / 28,714.94-43,073.21-7,938.44

Finding the Fourth Proportional to 28,714.94, 43,073.21 and 7,938.44

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Solution

The fourth proportional to 28,714.94, 43,073.21 and 7,938.44 is: 11,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.94 : 43,073.21 = 7,938.44 : x
  2. Step 2: Convert to fraction form
    28,714.94/43,073.21 = 7,938.44/x
  3. Step 3: Cross multiply
    28,714.94x = 43,073.21 × 7,938.44
  4. Step 4: Simplify right side
    28,714.94x = 341,933,897.67
  5. Step 5: Solve for x
    x = 341,933,897.67/28,714.94
  6. Step 6: Final answer
    x = 11,907.88

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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.