Home / 23,481.78-32,405.64-12,871.44

Finding the Fourth Proportional to 23,481.78, 32,405.64 and 12,871.44

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Solution

The fourth proportional to 23,481.78, 32,405.64 and 12,871.44 is: 17,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,481.78 : 32,405.64 = 12,871.44 : x
  2. Step 2: Convert to fraction form
    23,481.78/32,405.64 = 12,871.44/x
  3. Step 3: Cross multiply
    23,481.78x = 32,405.64 × 12,871.44
  4. Step 4: Simplify right side
    23,481.78x = 417,107,250.92
  5. Step 5: Solve for x
    x = 417,107,250.92/23,481.78
  6. Step 6: Final answer
    x = 17,763.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.