Home / 26,810.36-40,215.85-8,090.56

Finding the Fourth Proportional to 26,810.36, 40,215.85 and 8,090.56

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Solution

The fourth proportional to 26,810.36, 40,215.85 and 8,090.56 is: 12,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.36 : 40,215.85 = 8,090.56 : x
  2. Step 2: Convert to fraction form
    26,810.36/40,215.85 = 8,090.56/x
  3. Step 3: Cross multiply
    26,810.36x = 40,215.85 × 8,090.56
  4. Step 4: Simplify right side
    26,810.36x = 325,368,505.84
  5. Step 5: Solve for x
    x = 325,368,505.84/26,810.36
  6. Step 6: Final answer
    x = 12,135.93

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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.