Home / 26,476.80-39,744.36-20,965.56

Finding the Fourth Proportional to 26,476.80, 39,744.36 and 20,965.56

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Solution

The fourth proportional to 26,476.80, 39,744.36 and 20,965.56 is: 31,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.80 : 39,744.36 = 20,965.56 : x
  2. Step 2: Convert to fraction form
    26,476.80/39,744.36 = 20,965.56/x
  3. Step 3: Cross multiply
    26,476.80x = 39,744.36 × 20,965.56
  4. Step 4: Simplify right side
    26,476.80x = 833,262,764.24
  5. Step 5: Solve for x
    x = 833,262,764.24/26,476.80
  6. Step 6: Final answer
    x = 31,471.43

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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.