Home / 26,856.02-40,288.90-11,863.11

Finding the Fourth Proportional to 26,856.02, 40,288.90 and 11,863.11

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Solution

The fourth proportional to 26,856.02, 40,288.90 and 11,863.11 is: 17,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.02 : 40,288.90 = 11,863.11 : x
  2. Step 2: Convert to fraction form
    26,856.02/40,288.90 = 11,863.11/x
  3. Step 3: Cross multiply
    26,856.02x = 40,288.90 × 11,863.11
  4. Step 4: Simplify right side
    26,856.02x = 477,951,540.33
  5. Step 5: Solve for x
    x = 477,951,540.33/26,856.02
  6. Step 6: Final answer
    x = 17,796.81

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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.