Home / 27,974-41,904.72-12,960.08

Finding the Fourth Proportional to 27,974, 41,904.72 and 12,960.08

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Solution

The fourth proportional to 27,974, 41,904.72 and 12,960.08 is: 19,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974 : 41,904.72 = 12,960.08 : x
  2. Step 2: Convert to fraction form
    27,974/41,904.72 = 12,960.08/x
  3. Step 3: Cross multiply
    27,974x = 41,904.72 × 12,960.08
  4. Step 4: Simplify right side
    27,974x = 543,088,523.58
  5. Step 5: Solve for x
    x = 543,088,523.58/27,974
  6. Step 6: Final answer
    x = 19,414.05

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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.