Home / 22,780.37-34,172.68-8,545.05

Finding the Fourth Proportional to 22,780.37, 34,172.68 and 8,545.05

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Solution

The fourth proportional to 22,780.37, 34,172.68 and 8,545.05 is: 12,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.37 : 34,172.68 = 8,545.05 : x
  2. Step 2: Convert to fraction form
    22,780.37/34,172.68 = 8,545.05/x
  3. Step 3: Cross multiply
    22,780.37x = 34,172.68 × 8,545.05
  4. Step 4: Simplify right side
    22,780.37x = 292,007,237.87
  5. Step 5: Solve for x
    x = 292,007,237.87/22,780.37
  6. Step 6: Final answer
    x = 12,818.37

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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.