Home / 22,257.66-33,419.90-21,187.65

Finding the Fourth Proportional to 22,257.66, 33,419.90 and 21,187.65

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Solution

The fourth proportional to 22,257.66, 33,419.90 and 21,187.65 is: 31,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257.66 : 33,419.90 = 21,187.65 : x
  2. Step 2: Convert to fraction form
    22,257.66/33,419.90 = 21,187.65/x
  3. Step 3: Cross multiply
    22,257.66x = 33,419.90 × 21,187.65
  4. Step 4: Simplify right side
    22,257.66x = 708,089,144.24
  5. Step 5: Solve for x
    x = 708,089,144.24/22,257.66
  6. Step 6: Final answer
    x = 31,813.28

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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.