Home / 27,938.20-41,907.30-22,689.40

Finding the Fourth Proportional to 27,938.20, 41,907.30 and 22,689.40

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Solution

The fourth proportional to 27,938.20, 41,907.30 and 22,689.40 is: 34,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.20 : 41,907.30 = 22,689.40 : x
  2. Step 2: Convert to fraction form
    27,938.20/41,907.30 = 22,689.40/x
  3. Step 3: Cross multiply
    27,938.20x = 41,907.30 × 22,689.40
  4. Step 4: Simplify right side
    27,938.20x = 950,851,492.62
  5. Step 5: Solve for x
    x = 950,851,492.62/27,938.20
  6. Step 6: Final answer
    x = 34,034.10

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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.