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Finding the Fourth Proportional to 27,604.64, 41,394.22 and 8,881.20

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Solution

The fourth proportional to 27,604.64, 41,394.22 and 8,881.20 is: 13,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.64 : 41,394.22 = 8,881.20 : x
  2. Step 2: Convert to fraction form
    27,604.64/41,394.22 = 8,881.20/x
  3. Step 3: Cross multiply
    27,604.64x = 41,394.22 × 8,881.20
  4. Step 4: Simplify right side
    27,604.64x = 367,630,346.66
  5. Step 5: Solve for x
    x = 367,630,346.66/27,604.64
  6. Step 6: Final answer
    x = 13,317.70

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1.5x scale

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.