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Finding the Fourth Proportional to 27,705.31, 41,563.80 and 8,983.88

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Solution

The fourth proportional to 27,705.31, 41,563.80 and 8,983.88 is: 13,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.31 : 41,563.80 = 8,983.88 : x
  2. Step 2: Convert to fraction form
    27,705.31/41,563.80 = 8,983.88/x
  3. Step 3: Cross multiply
    27,705.31x = 41,563.80 × 8,983.88
  4. Step 4: Simplify right side
    27,705.31x = 373,404,261.76
  5. Step 5: Solve for x
    x = 373,404,261.76/27,705.31
  6. Step 6: Final answer
    x = 13,477.72

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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.