Home / 27,381.12-41,078.88-10,742.16

Finding the Fourth Proportional to 27,381.12, 41,078.88 and 10,742.16

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Solution

The fourth proportional to 27,381.12, 41,078.88 and 10,742.16 is: 16,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.12 : 41,078.88 = 10,742.16 : x
  2. Step 2: Convert to fraction form
    27,381.12/41,078.88 = 10,742.16/x
  3. Step 3: Cross multiply
    27,381.12x = 41,078.88 × 10,742.16
  4. Step 4: Simplify right side
    27,381.12x = 441,275,901.58
  5. Step 5: Solve for x
    x = 441,275,901.58/27,381.12
  6. Step 6: Final answer
    x = 16,116.06

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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.