Home / 26,984.64-40,481.28-12,192.96

Finding the Fourth Proportional to 26,984.64, 40,481.28 and 12,192.96

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Solution

The fourth proportional to 26,984.64, 40,481.28 and 12,192.96 is: 18,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,984.64 : 40,481.28 = 12,192.96 : x
  2. Step 2: Convert to fraction form
    26,984.64/40,481.28 = 12,192.96/x
  3. Step 3: Cross multiply
    26,984.64x = 40,481.28 × 12,192.96
  4. Step 4: Simplify right side
    26,984.64x = 493,586,627.79
  5. Step 5: Solve for x
    x = 493,586,627.79/26,984.64
  6. Step 6: Final answer
    x = 18,291.39

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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.