Home / 27,815.21-41,722.81-18,473.47

Finding the Fourth Proportional to 27,815.21, 41,722.81 and 18,473.47

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Solution

The fourth proportional to 27,815.21, 41,722.81 and 18,473.47 is: 27,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.21 : 41,722.81 = 18,473.47 : x
  2. Step 2: Convert to fraction form
    27,815.21/41,722.81 = 18,473.47/x
  3. Step 3: Cross multiply
    27,815.21x = 41,722.81 × 18,473.47
  4. Step 4: Simplify right side
    27,815.21x = 770,764,997.64
  5. Step 5: Solve for x
    x = 770,764,997.64/27,815.21
  6. Step 6: Final answer
    x = 27,710.20

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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.