Home / 26,824.80-40,209.85-12,029.75

Finding the Fourth Proportional to 26,824.80, 40,209.85 and 12,029.75

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Solution

The fourth proportional to 26,824.80, 40,209.85 and 12,029.75 is: 18,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,824.80 : 40,209.85 = 12,029.75 : x
  2. Step 2: Convert to fraction form
    26,824.80/40,209.85 = 12,029.75/x
  3. Step 3: Cross multiply
    26,824.80x = 40,209.85 × 12,029.75
  4. Step 4: Simplify right side
    26,824.80x = 483,714,407.81
  5. Step 5: Solve for x
    x = 483,714,407.81/26,824.80
  6. Step 6: Final answer
    x = 18,032.36

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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.