Home / 27,961.64-41,961.88-18,076.40

Finding the Fourth Proportional to 27,961.64, 41,961.88 and 18,076.40

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Solution

The fourth proportional to 27,961.64, 41,961.88 and 18,076.40 is: 27,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.64 : 41,961.88 = 18,076.40 : x
  2. Step 2: Convert to fraction form
    27,961.64/41,961.88 = 18,076.40/x
  3. Step 3: Cross multiply
    27,961.64x = 41,961.88 × 18,076.40
  4. Step 4: Simplify right side
    27,961.64x = 758,519,727.63
  5. Step 5: Solve for x
    x = 758,519,727.63/27,961.64
  6. Step 6: Final answer
    x = 27,127.15

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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.