Home / 26,876.92-40,298.10-12,829.36

Finding the Fourth Proportional to 26,876.92, 40,298.10 and 12,829.36

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Solution

The fourth proportional to 26,876.92, 40,298.10 and 12,829.36 is: 19,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.92 : 40,298.10 = 12,829.36 : x
  2. Step 2: Convert to fraction form
    26,876.92/40,298.10 = 12,829.36/x
  3. Step 3: Cross multiply
    26,876.92x = 40,298.10 × 12,829.36
  4. Step 4: Simplify right side
    26,876.92x = 516,998,832.22
  5. Step 5: Solve for x
    x = 516,998,832.22/26,876.92
  6. Step 6: Final answer
    x = 19,235.79

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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.