Home / 26,871.20-40,312.20-22,518.80

Finding the Fourth Proportional to 26,871.20, 40,312.20 and 22,518.80

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Solution

The fourth proportional to 26,871.20, 40,312.20 and 22,518.80 is: 33,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.20 : 40,312.20 = 22,518.80 : x
  2. Step 2: Convert to fraction form
    26,871.20/40,312.20 = 22,518.80/x
  3. Step 3: Cross multiply
    26,871.20x = 40,312.20 × 22,518.80
  4. Step 4: Simplify right side
    26,871.20x = 907,782,369.36
  5. Step 5: Solve for x
    x = 907,782,369.36/26,871.20
  6. Step 6: Final answer
    x = 33,782.73

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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.