Home / 26,906.98-40,360.50-12,863.70

Finding the Fourth Proportional to 26,906.98, 40,360.50 and 12,863.70

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Solution

The fourth proportional to 26,906.98, 40,360.50 and 12,863.70 is: 19,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.98 : 40,360.50 = 12,863.70 : x
  2. Step 2: Convert to fraction form
    26,906.98/40,360.50 = 12,863.70/x
  3. Step 3: Cross multiply
    26,906.98x = 40,360.50 × 12,863.70
  4. Step 4: Simplify right side
    26,906.98x = 519,185,299.53
  5. Step 5: Solve for x
    x = 519,185,299.53/26,906.98
  6. Step 6: Final answer
    x = 19,295.57

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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.