Home / 26,893.48-40,369.26-20,390.68

Finding the Fourth Proportional to 26,893.48, 40,369.26 and 20,390.68

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Solution

The fourth proportional to 26,893.48, 40,369.26 and 20,390.68 is: 30,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.48 : 40,369.26 = 20,390.68 : x
  2. Step 2: Convert to fraction form
    26,893.48/40,369.26 = 20,390.68/x
  3. Step 3: Cross multiply
    26,893.48x = 40,369.26 × 20,390.68
  4. Step 4: Simplify right side
    26,893.48x = 823,156,662.50
  5. Step 5: Solve for x
    x = 823,156,662.50/26,893.48
  6. Step 6: Final answer
    x = 30,608.04

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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.