Home / 26,902.32-40,353.07-12,100.78

Finding the Fourth Proportional to 26,902.32, 40,353.07 and 12,100.78

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Solution

The fourth proportional to 26,902.32, 40,353.07 and 12,100.78 is: 18,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.32 : 40,353.07 = 12,100.78 : x
  2. Step 2: Convert to fraction form
    26,902.32/40,353.07 = 12,100.78/x
  3. Step 3: Cross multiply
    26,902.32x = 40,353.07 × 12,100.78
  4. Step 4: Simplify right side
    26,902.32x = 488,303,622.39
  5. Step 5: Solve for x
    x = 488,303,622.39/26,902.32
  6. Step 6: Final answer
    x = 18,150.99

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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.