Home / 26,774.40-40,161.60-20,164.80

Finding the Fourth Proportional to 26,774.40, 40,161.60 and 20,164.80

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Solution

The fourth proportional to 26,774.40, 40,161.60 and 20,164.80 is: 30,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,774.40 : 40,161.60 = 20,164.80 : x
  2. Step 2: Convert to fraction form
    26,774.40/40,161.60 = 20,164.80/x
  3. Step 3: Cross multiply
    26,774.40x = 40,161.60 × 20,164.80
  4. Step 4: Simplify right side
    26,774.40x = 809,850,631.68
  5. Step 5: Solve for x
    x = 809,850,631.68/26,774.40
  6. Step 6: Final answer
    x = 30,247.20

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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.