Home / 28,214.62-42,324.06-9,494.71

Finding the Fourth Proportional to 28,214.62, 42,324.06 and 9,494.71

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Solution

The fourth proportional to 28,214.62, 42,324.06 and 9,494.71 is: 14,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.62 : 42,324.06 = 9,494.71 : x
  2. Step 2: Convert to fraction form
    28,214.62/42,324.06 = 9,494.71/x
  3. Step 3: Cross multiply
    28,214.62x = 42,324.06 × 9,494.71
  4. Step 4: Simplify right side
    28,214.62x = 401,854,675.72
  5. Step 5: Solve for x
    x = 401,854,675.72/28,214.62
  6. Step 6: Final answer
    x = 14,242.78

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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.