Home / 22,378.56-33,377.91-21,984.96

Finding the Fourth Proportional to 22,378.56, 33,377.91 and 21,984.96

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Solution

The fourth proportional to 22,378.56, 33,377.91 and 21,984.96 is: 32,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.56 : 33,377.91 = 21,984.96 : x
  2. Step 2: Convert to fraction form
    22,378.56/33,377.91 = 21,984.96/x
  3. Step 3: Cross multiply
    22,378.56x = 33,377.91 × 21,984.96
  4. Step 4: Simplify right side
    22,378.56x = 733,812,016.23
  5. Step 5: Solve for x
    x = 733,812,016.23/22,378.56
  6. Step 6: Final answer
    x = 32,790.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.