Home / 26,103.64-39,106.24-20,231.54

Finding the Fourth Proportional to 26,103.64, 39,106.24 and 20,231.54

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Solution

The fourth proportional to 26,103.64, 39,106.24 and 20,231.54 is: 30,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.64 : 39,106.24 = 20,231.54 : x
  2. Step 2: Convert to fraction form
    26,103.64/39,106.24 = 20,231.54/x
  3. Step 3: Cross multiply
    26,103.64x = 39,106.24 × 20,231.54
  4. Step 4: Simplify right side
    26,103.64x = 791,179,458.81
  5. Step 5: Solve for x
    x = 791,179,458.81/26,103.64
  6. Step 6: Final answer
    x = 30,309.16

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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.