Home / 26,226.50-39,311.13-12,908.66

Finding the Fourth Proportional to 26,226.50, 39,311.13 and 12,908.66

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Solution

The fourth proportional to 26,226.50, 39,311.13 and 12,908.66 is: 19,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,226.50 : 39,311.13 = 12,908.66 : x
  2. Step 2: Convert to fraction form
    26,226.50/39,311.13 = 12,908.66/x
  3. Step 3: Cross multiply
    26,226.50x = 39,311.13 × 12,908.66
  4. Step 4: Simplify right side
    26,226.50x = 507,454,011.39
  5. Step 5: Solve for x
    x = 507,454,011.39/26,226.50
  6. Step 6: Final answer
    x = 19,348.90

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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.