Home / 28,436.39-42,571.92-16,553.96

Finding the Fourth Proportional to 28,436.39, 42,571.92 and 16,553.96

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Solution

The fourth proportional to 28,436.39, 42,571.92 and 16,553.96 is: 24,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.39 : 42,571.92 = 16,553.96 : x
  2. Step 2: Convert to fraction form
    28,436.39/42,571.92 = 16,553.96/x
  3. Step 3: Cross multiply
    28,436.39x = 42,571.92 × 16,553.96
  4. Step 4: Simplify right side
    28,436.39x = 704,733,860.80
  5. Step 5: Solve for x
    x = 704,733,860.80/28,436.39
  6. Step 6: Final answer
    x = 24,782.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.