Home / 27,938.25-41,934.91-20,521.89

Finding the Fourth Proportional to 27,938.25, 41,934.91 and 20,521.89

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Solution

The fourth proportional to 27,938.25, 41,934.91 and 20,521.89 is: 30,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.25 : 41,934.91 = 20,521.89 : x
  2. Step 2: Convert to fraction form
    27,938.25/41,934.91 = 20,521.89/x
  3. Step 3: Cross multiply
    27,938.25x = 41,934.91 × 20,521.89
  4. Step 4: Simplify right side
    27,938.25x = 860,583,610.18
  5. Step 5: Solve for x
    x = 860,583,610.18/27,938.25
  6. Step 6: Final answer
    x = 30,803.06

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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.