Home / 26,719.04-40,078.20-12,825.92

Finding the Fourth Proportional to 26,719.04, 40,078.20 and 12,825.92

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Solution

The fourth proportional to 26,719.04, 40,078.20 and 12,825.92 is: 19,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.04 : 40,078.20 = 12,825.92 : x
  2. Step 2: Convert to fraction form
    26,719.04/40,078.20 = 12,825.92/x
  3. Step 3: Cross multiply
    26,719.04x = 40,078.20 × 12,825.92
  4. Step 4: Simplify right side
    26,719.04x = 514,039,786.94
  5. Step 5: Solve for x
    x = 514,039,786.94/26,719.04
  6. Step 6: Final answer
    x = 19,238.71

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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.