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Finding the Fourth Proportional to 27,420.64, 41,131.02 and 6,644.14

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Solution

The fourth proportional to 27,420.64, 41,131.02 and 6,644.14 is: 9,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.64 : 41,131.02 = 6,644.14 : x
  2. Step 2: Convert to fraction form
    27,420.64/41,131.02 = 6,644.14/x
  3. Step 3: Cross multiply
    27,420.64x = 41,131.02 × 6,644.14
  4. Step 4: Simplify right side
    27,420.64x = 273,280,255.22
  5. Step 5: Solve for x
    x = 273,280,255.22/27,420.64
  6. Step 6: Final answer
    x = 9,966.22

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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.