Home / 26,901.32-40,351.57-12,099.78

Finding the Fourth Proportional to 26,901.32, 40,351.57 and 12,099.78

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Solution

The fourth proportional to 26,901.32, 40,351.57 and 12,099.78 is: 18,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.32 : 40,351.57 = 12,099.78 : x
  2. Step 2: Convert to fraction form
    26,901.32/40,351.57 = 12,099.78/x
  3. Step 3: Cross multiply
    26,901.32x = 40,351.57 × 12,099.78
  4. Step 4: Simplify right side
    26,901.32x = 488,245,089.41
  5. Step 5: Solve for x
    x = 488,245,089.41/26,901.32
  6. Step 6: Final answer
    x = 18,149.49

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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.