Home / 38,824.72-58,239.24-11,122

Finding the Fourth Proportional to 38,824.72, 58,239.24 and 11,122

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Solution

The fourth proportional to 38,824.72, 58,239.24 and 11,122 is: 16,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,824.72 : 58,239.24 = 11,122 : x
  2. Step 2: Convert to fraction form
    38,824.72/58,239.24 = 11,122/x
  3. Step 3: Cross multiply
    38,824.72x = 58,239.24 × 11,122
  4. Step 4: Simplify right side
    38,824.72x = 647,736,827.28
  5. Step 5: Solve for x
    x = 647,736,827.28/38,824.72
  6. Step 6: Final answer
    x = 16,683.62

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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.