Home / 27,310.19-40,989.69-13,992.25

Finding the Fourth Proportional to 27,310.19, 40,989.69 and 13,992.25

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Solution

The fourth proportional to 27,310.19, 40,989.69 and 13,992.25 is: 21,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.19 : 40,989.69 = 13,992.25 : x
  2. Step 2: Convert to fraction form
    27,310.19/40,989.69 = 13,992.25/x
  3. Step 3: Cross multiply
    27,310.19x = 40,989.69 × 13,992.25
  4. Step 4: Simplify right side
    27,310.19x = 573,537,989.90
  5. Step 5: Solve for x
    x = 573,537,989.90/27,310.19
  6. Step 6: Final answer
    x = 21,000.88

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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.