Home / 26,633.92-39,888.64-21,049.80

Finding the Fourth Proportional to 26,633.92, 39,888.64 and 21,049.80

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Solution

The fourth proportional to 26,633.92, 39,888.64 and 21,049.80 is: 31,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.92 : 39,888.64 = 21,049.80 : x
  2. Step 2: Convert to fraction form
    26,633.92/39,888.64 = 21,049.80/x
  3. Step 3: Cross multiply
    26,633.92x = 39,888.64 × 21,049.80
  4. Step 4: Simplify right side
    26,633.92x = 839,647,894.27
  5. Step 5: Solve for x
    x = 839,647,894.27/26,633.92
  6. Step 6: Final answer
    x = 31,525.51

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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.