Home / 26,945.46-40,431.02-12,158.91

Finding the Fourth Proportional to 26,945.46, 40,431.02 and 12,158.91

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Solution

The fourth proportional to 26,945.46, 40,431.02 and 12,158.91 is: 18,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.46 : 40,431.02 = 12,158.91 : x
  2. Step 2: Convert to fraction form
    26,945.46/40,431.02 = 12,158.91/x
  3. Step 3: Cross multiply
    26,945.46x = 40,431.02 × 12,158.91
  4. Step 4: Simplify right side
    26,945.46x = 491,597,072.59
  5. Step 5: Solve for x
    x = 491,597,072.59/26,945.46
  6. Step 6: Final answer
    x = 18,244.15

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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.