Home / 40,431.10-55,765.10-26,995.90

Finding the Fourth Proportional to 40,431.10, 55,765.10 and 26,995.90

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Solution

The fourth proportional to 40,431.10, 55,765.10 and 26,995.90 is: 37,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.10 : 55,765.10 = 26,995.90 : x
  2. Step 2: Convert to fraction form
    40,431.10/55,765.10 = 26,995.90/x
  3. Step 3: Cross multiply
    40,431.10x = 55,765.10 × 26,995.90
  4. Step 4: Simplify right side
    40,431.10x = 1,505,429,063.09
  5. Step 5: Solve for x
    x = 1,505,429,063.09/40,431.10
  6. Step 6: Final answer
    x = 37,234.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.