Home / 26,939.56-37,163.73-20,930.10

Finding the Fourth Proportional to 26,939.56, 37,163.73 and 20,930.10

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Solution

The fourth proportional to 26,939.56, 37,163.73 and 20,930.10 is: 28,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.56 : 37,163.73 = 20,930.10 : x
  2. Step 2: Convert to fraction form
    26,939.56/37,163.73 = 20,930.10/x
  3. Step 3: Cross multiply
    26,939.56x = 37,163.73 × 20,930.10
  4. Step 4: Simplify right side
    26,939.56x = 777,840,615.71
  5. Step 5: Solve for x
    x = 777,840,615.71/26,939.56
  6. Step 6: Final answer
    x = 28,873.55

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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.