Home / 22,129.56-33,176.32-10,290.79

Finding the Fourth Proportional to 22,129.56, 33,176.32 and 10,290.79

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Solution

The fourth proportional to 22,129.56, 33,176.32 and 10,290.79 is: 15,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.56 : 33,176.32 = 10,290.79 : x
  2. Step 2: Convert to fraction form
    22,129.56/33,176.32 = 10,290.79/x
  3. Step 3: Cross multiply
    22,129.56x = 33,176.32 × 10,290.79
  4. Step 4: Simplify right side
    22,129.56x = 341,410,542.09
  5. Step 5: Solve for x
    x = 341,410,542.09/22,129.56
  6. Step 6: Final answer
    x = 15,427.81

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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.