Home / 26,865.06-40,301.94-8,140.71

Finding the Fourth Proportional to 26,865.06, 40,301.94 and 8,140.71

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Solution

The fourth proportional to 26,865.06, 40,301.94 and 8,140.71 is: 12,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.06 : 40,301.94 = 8,140.71 : x
  2. Step 2: Convert to fraction form
    26,865.06/40,301.94 = 8,140.71/x
  3. Step 3: Cross multiply
    26,865.06x = 40,301.94 × 8,140.71
  4. Step 4: Simplify right side
    26,865.06x = 328,086,405.98
  5. Step 5: Solve for x
    x = 328,086,405.98/26,865.06
  6. Step 6: Final answer
    x = 12,212.38

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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.