Home / 21,444-32,183.28-11,058.72

Finding the Fourth Proportional to 21,444, 32,183.28 and 11,058.72

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Solution

The fourth proportional to 21,444, 32,183.28 and 11,058.72 is: 16,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444 : 32,183.28 = 11,058.72 : x
  2. Step 2: Convert to fraction form
    21,444/32,183.28 = 11,058.72/x
  3. Step 3: Cross multiply
    21,444x = 32,183.28 × 11,058.72
  4. Step 4: Simplify right side
    21,444x = 355,905,882.20
  5. Step 5: Solve for x
    x = 355,905,882.20/21,444
  6. Step 6: Final answer
    x = 16,596.99

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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.