Home / 26,129.44-39,183.60-12,268.96

Finding the Fourth Proportional to 26,129.44, 39,183.60 and 12,268.96

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Solution

The fourth proportional to 26,129.44, 39,183.60 and 12,268.96 is: 18,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.44 : 39,183.60 = 12,268.96 : x
  2. Step 2: Convert to fraction form
    26,129.44/39,183.60 = 12,268.96/x
  3. Step 3: Cross multiply
    26,129.44x = 39,183.60 × 12,268.96
  4. Step 4: Simplify right side
    26,129.44x = 480,742,021.06
  5. Step 5: Solve for x
    x = 480,742,021.06/26,129.44
  6. Step 6: Final answer
    x = 18,398.48

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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.