Home / 27,820.20-41,702.22-12,235.08

Finding the Fourth Proportional to 27,820.20, 41,702.22 and 12,235.08

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Solution

The fourth proportional to 27,820.20, 41,702.22 and 12,235.08 is: 18,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.20 : 41,702.22 = 12,235.08 : x
  2. Step 2: Convert to fraction form
    27,820.20/41,702.22 = 12,235.08/x
  3. Step 3: Cross multiply
    27,820.20x = 41,702.22 × 12,235.08
  4. Step 4: Simplify right side
    27,820.20x = 510,229,997.88
  5. Step 5: Solve for x
    x = 510,229,997.88/27,820.20
  6. Step 6: Final answer
    x = 18,340.27

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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.