Home / 18,773.06-28,136.18-16,427.49

Finding the Fourth Proportional to 18,773.06, 28,136.18 and 16,427.49

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Solution

The fourth proportional to 18,773.06, 28,136.18 and 16,427.49 is: 24,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.06 : 28,136.18 = 16,427.49 : x
  2. Step 2: Convert to fraction form
    18,773.06/28,136.18 = 16,427.49/x
  3. Step 3: Cross multiply
    18,773.06x = 28,136.18 × 16,427.49
  4. Step 4: Simplify right side
    18,773.06x = 462,206,733.45
  5. Step 5: Solve for x
    x = 462,206,733.45/18,773.06
  6. Step 6: Final answer
    x = 24,620.75

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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.