Home / 38,913.92-58,360.80-11,205.44

Finding the Fourth Proportional to 38,913.92, 58,360.80 and 11,205.44

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Solution

The fourth proportional to 38,913.92, 58,360.80 and 11,205.44 is: 16,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.92 : 58,360.80 = 11,205.44 : x
  2. Step 2: Convert to fraction form
    38,913.92/58,360.80 = 11,205.44/x
  3. Step 3: Cross multiply
    38,913.92x = 58,360.80 × 11,205.44
  4. Step 4: Simplify right side
    38,913.92x = 653,958,442.75
  5. Step 5: Solve for x
    x = 653,958,442.75/38,913.92
  6. Step 6: Final answer
    x = 16,805.26

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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.