Home / 22,072.74-33,108.22-5,431.96

Finding the Fourth Proportional to 22,072.74, 33,108.22 and 5,431.96

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Solution

The fourth proportional to 22,072.74, 33,108.22 and 5,431.96 is: 8,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.74 : 33,108.22 = 5,431.96 : x
  2. Step 2: Convert to fraction form
    22,072.74/33,108.22 = 5,431.96/x
  3. Step 3: Cross multiply
    22,072.74x = 33,108.22 × 5,431.96
  4. Step 4: Simplify right side
    22,072.74x = 179,842,526.71
  5. Step 5: Solve for x
    x = 179,842,526.71/22,072.74
  6. Step 6: Final answer
    x = 8,147.72

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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.