Home / 26,863.46-40,295.50-8,143.35

Finding the Fourth Proportional to 26,863.46, 40,295.50 and 8,143.35

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Solution

The fourth proportional to 26,863.46, 40,295.50 and 8,143.35 is: 12,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.46 : 40,295.50 = 8,143.35 : x
  2. Step 2: Convert to fraction form
    26,863.46/40,295.50 = 8,143.35/x
  3. Step 3: Cross multiply
    26,863.46x = 40,295.50 × 8,143.35
  4. Step 4: Simplify right side
    26,863.46x = 328,140,218.47
  5. Step 5: Solve for x
    x = 328,140,218.47/26,863.46
  6. Step 6: Final answer
    x = 12,215.11

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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.