Home / 38,922-58,385.16-11,222.16

Finding the Fourth Proportional to 38,922, 58,385.16 and 11,222.16

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Solution

The fourth proportional to 38,922, 58,385.16 and 11,222.16 is: 16,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922 : 58,385.16 = 11,222.16 : x
  2. Step 2: Convert to fraction form
    38,922/58,385.16 = 11,222.16/x
  3. Step 3: Cross multiply
    38,922x = 58,385.16 × 11,222.16
  4. Step 4: Simplify right side
    38,922x = 655,207,607.15
  5. Step 5: Solve for x
    x = 655,207,607.15/38,922
  6. Step 6: Final answer
    x = 16,833.86

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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.