Home / 22,288.72-33,200.86-21,105.43

Finding the Fourth Proportional to 22,288.72, 33,200.86 and 21,105.43

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Solution

The fourth proportional to 22,288.72, 33,200.86 and 21,105.43 is: 31,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.72 : 33,200.86 = 21,105.43 : x
  2. Step 2: Convert to fraction form
    22,288.72/33,200.86 = 21,105.43/x
  3. Step 3: Cross multiply
    22,288.72x = 33,200.86 × 21,105.43
  4. Step 4: Simplify right side
    22,288.72x = 700,718,426.67
  5. Step 5: Solve for x
    x = 700,718,426.67/22,288.72
  6. Step 6: Final answer
    x = 31,438.25

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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.