Home / 27,455.50-41,158.81-9,921.43

Finding the Fourth Proportional to 27,455.50, 41,158.81 and 9,921.43

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Solution

The fourth proportional to 27,455.50, 41,158.81 and 9,921.43 is: 14,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.50 : 41,158.81 = 9,921.43 : x
  2. Step 2: Convert to fraction form
    27,455.50/41,158.81 = 9,921.43/x
  3. Step 3: Cross multiply
    27,455.50x = 41,158.81 × 9,921.43
  4. Step 4: Simplify right side
    27,455.50x = 408,354,252.30
  5. Step 5: Solve for x
    x = 408,354,252.30/27,455.50
  6. Step 6: Final answer
    x = 14,873.31

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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.