Home / 20,933.70-31,367.72-17,800.82

Finding the Fourth Proportional to 20,933.70, 31,367.72 and 17,800.82

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Solution

The fourth proportional to 20,933.70, 31,367.72 and 17,800.82 is: 26,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.70 : 31,367.72 = 17,800.82 : x
  2. Step 2: Convert to fraction form
    20,933.70/31,367.72 = 17,800.82/x
  3. Step 3: Cross multiply
    20,933.70x = 31,367.72 × 17,800.82
  4. Step 4: Simplify right side
    20,933.70x = 558,371,137.53
  5. Step 5: Solve for x
    x = 558,371,137.53/20,933.70
  6. Step 6: Final answer
    x = 26,673.31

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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.