Home / 22,962.40-34,370.70-21,212.80

Finding the Fourth Proportional to 22,962.40, 34,370.70 and 21,212.80

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Solution

The fourth proportional to 22,962.40, 34,370.70 and 21,212.80 is: 31,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,962.40 : 34,370.70 = 21,212.80 : x
  2. Step 2: Convert to fraction form
    22,962.40/34,370.70 = 21,212.80/x
  3. Step 3: Cross multiply
    22,962.40x = 34,370.70 × 21,212.80
  4. Step 4: Simplify right side
    22,962.40x = 729,098,784.96
  5. Step 5: Solve for x
    x = 729,098,784.96/22,962.40
  6. Step 6: Final answer
    x = 31,751.85

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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.