Home / 26,902.92-40,355.81-8,181.51

Finding the Fourth Proportional to 26,902.92, 40,355.81 and 8,181.51

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Solution

The fourth proportional to 26,902.92, 40,355.81 and 8,181.51 is: 12,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.92 : 40,355.81 = 8,181.51 : x
  2. Step 2: Convert to fraction form
    26,902.92/40,355.81 = 8,181.51/x
  3. Step 3: Cross multiply
    26,902.92x = 40,355.81 × 8,181.51
  4. Step 4: Simplify right side
    26,902.92x = 330,171,422.17
  5. Step 5: Solve for x
    x = 330,171,422.17/26,902.92
  6. Step 6: Final answer
    x = 12,272.70

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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.