Home / 21,818.22-32,726.52-6,235.80

Finding the Fourth Proportional to 21,818.22, 32,726.52 and 6,235.80

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Solution

The fourth proportional to 21,818.22, 32,726.52 and 6,235.80 is: 9,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.22 : 32,726.52 = 6,235.80 : x
  2. Step 2: Convert to fraction form
    21,818.22/32,726.52 = 6,235.80/x
  3. Step 3: Cross multiply
    21,818.22x = 32,726.52 × 6,235.80
  4. Step 4: Simplify right side
    21,818.22x = 204,076,033.42
  5. Step 5: Solve for x
    x = 204,076,033.42/21,818.22
  6. Step 6: Final answer
    x = 9,353.47

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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.