Home / 21,917.44-32,884.28-15,726.88

Finding the Fourth Proportional to 21,917.44, 32,884.28 and 15,726.88

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Solution

The fourth proportional to 21,917.44, 32,884.28 and 15,726.88 is: 23,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917.44 : 32,884.28 = 15,726.88 : x
  2. Step 2: Convert to fraction form
    21,917.44/32,884.28 = 15,726.88/x
  3. Step 3: Cross multiply
    21,917.44x = 32,884.28 × 15,726.88
  4. Step 4: Simplify right side
    21,917.44x = 517,167,125.45
  5. Step 5: Solve for x
    x = 517,167,125.45/21,917.44
  6. Step 6: Final answer
    x = 23,596.15

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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.