Home / 20,136.73-30,069.47-16,446.28

Finding the Fourth Proportional to 20,136.73, 30,069.47 and 16,446.28

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Solution

The fourth proportional to 20,136.73, 30,069.47 and 16,446.28 is: 24,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136.73 : 30,069.47 = 16,446.28 : x
  2. Step 2: Convert to fraction form
    20,136.73/30,069.47 = 16,446.28/x
  3. Step 3: Cross multiply
    20,136.73x = 30,069.47 × 16,446.28
  4. Step 4: Simplify right side
    20,136.73x = 494,530,923.07
  5. Step 5: Solve for x
    x = 494,530,923.07/20,136.73
  6. Step 6: Final answer
    x = 24,558.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.