Home / 26,778.56-40,160.04-8,053.76

Finding the Fourth Proportional to 26,778.56, 40,160.04 and 8,053.76

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Solution

The fourth proportional to 26,778.56, 40,160.04 and 8,053.76 is: 12,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.56 : 40,160.04 = 8,053.76 : x
  2. Step 2: Convert to fraction form
    26,778.56/40,160.04 = 8,053.76/x
  3. Step 3: Cross multiply
    26,778.56x = 40,160.04 × 8,053.76
  4. Step 4: Simplify right side
    26,778.56x = 323,439,323.75
  5. Step 5: Solve for x
    x = 323,439,323.75/26,778.56
  6. Step 6: Final answer
    x = 12,078.29

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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.