Home / 20,716.92-31,046.16-15,526.44

Finding the Fourth Proportional to 20,716.92, 31,046.16 and 15,526.44

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Solution

The fourth proportional to 20,716.92, 31,046.16 and 15,526.44 is: 23,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716.92 : 31,046.16 = 15,526.44 : x
  2. Step 2: Convert to fraction form
    20,716.92/31,046.16 = 15,526.44/x
  3. Step 3: Cross multiply
    20,716.92x = 31,046.16 × 15,526.44
  4. Step 4: Simplify right side
    20,716.92x = 482,036,340.47
  5. Step 5: Solve for x
    x = 482,036,340.47/20,716.92
  6. Step 6: Final answer
    x = 23,267.76

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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.