Home / 26,635.92-39,891.64-21,051.80

Finding the Fourth Proportional to 26,635.92, 39,891.64 and 21,051.80

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Solution

The fourth proportional to 26,635.92, 39,891.64 and 21,051.80 is: 31,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.92 : 39,891.64 = 21,051.80 : x
  2. Step 2: Convert to fraction form
    26,635.92/39,891.64 = 21,051.80/x
  3. Step 3: Cross multiply
    26,635.92x = 39,891.64 × 21,051.80
  4. Step 4: Simplify right side
    26,635.92x = 839,790,826.95
  5. Step 5: Solve for x
    x = 839,790,826.95/26,635.92
  6. Step 6: Final answer
    x = 31,528.51

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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.