Home / 28,714.18-43,027.30-19,319.39

Finding the Fourth Proportional to 28,714.18, 43,027.30 and 19,319.39

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Solution

The fourth proportional to 28,714.18, 43,027.30 and 19,319.39 is: 28,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.18 : 43,027.30 = 19,319.39 : x
  2. Step 2: Convert to fraction form
    28,714.18/43,027.30 = 19,319.39/x
  3. Step 3: Cross multiply
    28,714.18x = 43,027.30 × 19,319.39
  4. Step 4: Simplify right side
    28,714.18x = 831,261,321.06
  5. Step 5: Solve for x
    x = 831,261,321.06/28,714.18
  6. Step 6: Final answer
    x = 28,949.51

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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.