Home / 26,761.56-40,120.41-10,112.12

Finding the Fourth Proportional to 26,761.56, 40,120.41 and 10,112.12

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Solution

The fourth proportional to 26,761.56, 40,120.41 and 10,112.12 is: 15,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.56 : 40,120.41 = 10,112.12 : x
  2. Step 2: Convert to fraction form
    26,761.56/40,120.41 = 10,112.12/x
  3. Step 3: Cross multiply
    26,761.56x = 40,120.41 × 10,112.12
  4. Step 4: Simplify right side
    26,761.56x = 405,702,400.37
  5. Step 5: Solve for x
    x = 405,702,400.37/26,761.56
  6. Step 6: Final answer
    x = 15,159.89

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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.