Home / 21,425.22-32,136.88-5,842.84

Finding the Fourth Proportional to 21,425.22, 32,136.88 and 5,842.84

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Solution

The fourth proportional to 21,425.22, 32,136.88 and 5,842.84 is: 8,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.22 : 32,136.88 = 5,842.84 : x
  2. Step 2: Convert to fraction form
    21,425.22/32,136.88 = 5,842.84/x
  3. Step 3: Cross multiply
    21,425.22x = 32,136.88 × 5,842.84
  4. Step 4: Simplify right side
    21,425.22x = 187,770,647.94
  5. Step 5: Solve for x
    x = 187,770,647.94/21,425.22
  6. Step 6: Final answer
    x = 8,764.00

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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.