Home / 27,690.15-41,539.34-8,963.91

Finding the Fourth Proportional to 27,690.15, 41,539.34 and 8,963.91

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Solution

The fourth proportional to 27,690.15, 41,539.34 and 8,963.91 is: 13,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.15 : 41,539.34 = 8,963.91 : x
  2. Step 2: Convert to fraction form
    27,690.15/41,539.34 = 8,963.91/x
  3. Step 3: Cross multiply
    27,690.15x = 41,539.34 × 8,963.91
  4. Step 4: Simplify right side
    27,690.15x = 372,354,860.40
  5. Step 5: Solve for x
    x = 372,354,860.40/27,690.15
  6. Step 6: Final answer
    x = 13,447.20

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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.