Home / 27,104.72-40,660.64-12,111.94

Finding the Fourth Proportional to 27,104.72, 40,660.64 and 12,111.94

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Solution

The fourth proportional to 27,104.72, 40,660.64 and 12,111.94 is: 18,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.72 : 40,660.64 = 12,111.94 : x
  2. Step 2: Convert to fraction form
    27,104.72/40,660.64 = 12,111.94/x
  3. Step 3: Cross multiply
    27,104.72x = 40,660.64 × 12,111.94
  4. Step 4: Simplify right side
    27,104.72x = 492,479,232.04
  5. Step 5: Solve for x
    x = 492,479,232.04/27,104.72
  6. Step 6: Final answer
    x = 18,169.50

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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.