Home / 26,815.60-40,169.94-20,944.72

Finding the Fourth Proportional to 26,815.60, 40,169.94 and 20,944.72

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Solution

The fourth proportional to 26,815.60, 40,169.94 and 20,944.72 is: 31,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.60 : 40,169.94 = 20,944.72 : x
  2. Step 2: Convert to fraction form
    26,815.60/40,169.94 = 20,944.72/x
  3. Step 3: Cross multiply
    26,815.60x = 40,169.94 × 20,944.72
  4. Step 4: Simplify right side
    26,815.60x = 841,348,145.72
  5. Step 5: Solve for x
    x = 841,348,145.72/26,815.60
  6. Step 6: Final answer
    x = 31,375.32

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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.