Home / 26,940.87-40,411.31-8,221.01

Finding the Fourth Proportional to 26,940.87, 40,411.31 and 8,221.01

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Solution

The fourth proportional to 26,940.87, 40,411.31 and 8,221.01 is: 12,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.87 : 40,411.31 = 8,221.01 : x
  2. Step 2: Convert to fraction form
    26,940.87/40,411.31 = 8,221.01/x
  3. Step 3: Cross multiply
    26,940.87x = 40,411.31 × 8,221.01
  4. Step 4: Simplify right side
    26,940.87x = 332,221,606.82
  5. Step 5: Solve for x
    x = 332,221,606.82/26,940.87
  6. Step 6: Final answer
    x = 12,331.51

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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.