Home / 27,921.33-41,881.90-11,281.16

Finding the Fourth Proportional to 27,921.33, 41,881.90 and 11,281.16

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Solution

The fourth proportional to 27,921.33, 41,881.90 and 11,281.16 is: 16,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.33 : 41,881.90 = 11,281.16 : x
  2. Step 2: Convert to fraction form
    27,921.33/41,881.90 = 11,281.16/x
  3. Step 3: Cross multiply
    27,921.33x = 41,881.90 × 11,281.16
  4. Step 4: Simplify right side
    27,921.33x = 472,476,509.29
  5. Step 5: Solve for x
    x = 472,476,509.29/27,921.33
  6. Step 6: Final answer
    x = 16,921.71

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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.