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Finding the Fourth Proportional to 27,216.08, 40,821.02 and 9,443.46

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Solution

The fourth proportional to 27,216.08, 40,821.02 and 9,443.46 is: 14,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.08 : 40,821.02 = 9,443.46 : x
  2. Step 2: Convert to fraction form
    27,216.08/40,821.02 = 9,443.46/x
  3. Step 3: Cross multiply
    27,216.08x = 40,821.02 × 9,443.46
  4. Step 4: Simplify right side
    27,216.08x = 385,491,669.53
  5. Step 5: Solve for x
    x = 385,491,669.53/27,216.08
  6. Step 6: Final answer
    x = 14,164.11

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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.