Home / 26,912.32-40,300-22,518.72

Finding the Fourth Proportional to 26,912.32, 40,300 and 22,518.72

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Solution

The fourth proportional to 26,912.32, 40,300 and 22,518.72 is: 33,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.32 : 40,300 = 22,518.72 : x
  2. Step 2: Convert to fraction form
    26,912.32/40,300 = 22,518.72/x
  3. Step 3: Cross multiply
    26,912.32x = 40,300 × 22,518.72
  4. Step 4: Simplify right side
    26,912.32x = 907,504,416
  5. Step 5: Solve for x
    x = 907,504,416/26,912.32
  6. Step 6: Final answer
    x = 33,720.78

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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.