Home / 28,714.37-43,027.58-19,319.58

Finding the Fourth Proportional to 28,714.37, 43,027.58 and 19,319.58

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Solution

The fourth proportional to 28,714.37, 43,027.58 and 19,319.58 is: 28,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.37 : 43,027.58 = 19,319.58 : x
  2. Step 2: Convert to fraction form
    28,714.37/43,027.58 = 19,319.58/x
  3. Step 3: Cross multiply
    28,714.37x = 43,027.58 × 19,319.58
  4. Step 4: Simplify right side
    28,714.37x = 831,274,822.32
  5. Step 5: Solve for x
    x = 831,274,822.32/28,714.37
  6. Step 6: Final answer
    x = 28,949.79

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1.5x scale

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.