Home / 25,678.05-35,416.20-22,098.96

Finding the Fourth Proportional to 25,678.05, 35,416.20 and 22,098.96

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Solution

The fourth proportional to 25,678.05, 35,416.20 and 22,098.96 is: 30,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.05 : 35,416.20 = 22,098.96 : x
  2. Step 2: Convert to fraction form
    25,678.05/35,416.20 = 22,098.96/x
  3. Step 3: Cross multiply
    25,678.05x = 35,416.20 × 22,098.96
  4. Step 4: Simplify right side
    25,678.05x = 782,661,187.15
  5. Step 5: Solve for x
    x = 782,661,187.15/25,678.05
  6. Step 6: Final answer
    x = 30,479.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.