Home / 26,830.11-40,228.76-12,794.43

Finding the Fourth Proportional to 26,830.11, 40,228.76 and 12,794.43

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Solution

The fourth proportional to 26,830.11, 40,228.76 and 12,794.43 is: 19,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.11 : 40,228.76 = 12,794.43 : x
  2. Step 2: Convert to fraction form
    26,830.11/40,228.76 = 12,794.43/x
  3. Step 3: Cross multiply
    26,830.11x = 40,228.76 × 12,794.43
  4. Step 4: Simplify right side
    26,830.11x = 514,703,989.83
  5. Step 5: Solve for x
    x = 514,703,989.83/26,830.11
  6. Step 6: Final answer
    x = 19,183.82

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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.