Home / 26,637.24-36,745.80-20,338.68

Finding the Fourth Proportional to 26,637.24, 36,745.80 and 20,338.68

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Solution

The fourth proportional to 26,637.24, 36,745.80 and 20,338.68 is: 28,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.24 : 36,745.80 = 20,338.68 : x
  2. Step 2: Convert to fraction form
    26,637.24/36,745.80 = 20,338.68/x
  3. Step 3: Cross multiply
    26,637.24x = 36,745.80 × 20,338.68
  4. Step 4: Simplify right side
    26,637.24x = 747,361,067.54
  5. Step 5: Solve for x
    x = 747,361,067.54/26,637.24
  6. Step 6: Final answer
    x = 28,057.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.