Home / 27,863.02-41,790.21-8,136.28

Finding the Fourth Proportional to 27,863.02, 41,790.21 and 8,136.28

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Solution

The fourth proportional to 27,863.02, 41,790.21 and 8,136.28 is: 12,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.02 : 41,790.21 = 8,136.28 : x
  2. Step 2: Convert to fraction form
    27,863.02/41,790.21 = 8,136.28/x
  3. Step 3: Cross multiply
    27,863.02x = 41,790.21 × 8,136.28
  4. Step 4: Simplify right side
    27,863.02x = 340,016,849.82
  5. Step 5: Solve for x
    x = 340,016,849.82/27,863.02
  6. Step 6: Final answer
    x = 12,203.16

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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.