Home / 28,115.66-42,194.25-13,324.62

Finding the Fourth Proportional to 28,115.66, 42,194.25 and 13,324.62

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Solution

The fourth proportional to 28,115.66, 42,194.25 and 13,324.62 is: 19,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115.66 : 42,194.25 = 13,324.62 : x
  2. Step 2: Convert to fraction form
    28,115.66/42,194.25 = 13,324.62/x
  3. Step 3: Cross multiply
    28,115.66x = 42,194.25 × 13,324.62
  4. Step 4: Simplify right side
    28,115.66x = 562,222,268.32
  5. Step 5: Solve for x
    x = 562,222,268.32/28,115.66
  6. Step 6: Final answer
    x = 19,996.77

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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.