Home / 40,428.10-55,760.97-26,992.90

Finding the Fourth Proportional to 40,428.10, 55,760.97 and 26,992.90

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Solution

The fourth proportional to 40,428.10, 55,760.97 and 26,992.90 is: 37,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.10 : 55,760.97 = 26,992.90 : x
  2. Step 2: Convert to fraction form
    40,428.10/55,760.97 = 26,992.90/x
  3. Step 3: Cross multiply
    40,428.10x = 55,760.97 × 26,992.90
  4. Step 4: Simplify right side
    40,428.10x = 1,505,150,287.11
  5. Step 5: Solve for x
    x = 1,505,150,287.11/40,428.10
  6. Step 6: Final answer
    x = 37,230.30

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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.