Home / 26,676.10-40,016.10-9,145.78

Finding the Fourth Proportional to 26,676.10, 40,016.10 and 9,145.78

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Solution

The fourth proportional to 26,676.10, 40,016.10 and 9,145.78 is: 13,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.10 : 40,016.10 = 9,145.78 : x
  2. Step 2: Convert to fraction form
    26,676.10/40,016.10 = 9,145.78/x
  3. Step 3: Cross multiply
    26,676.10x = 40,016.10 × 9,145.78
  4. Step 4: Simplify right side
    26,676.10x = 365,978,447.06
  5. Step 5: Solve for x
    x = 365,978,447.06/26,676.10
  6. Step 6: Final answer
    x = 13,719.34

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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.