Home / 21,447.15-32,177.24-10,351.77

Finding the Fourth Proportional to 21,447.15, 32,177.24 and 10,351.77

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Solution

The fourth proportional to 21,447.15, 32,177.24 and 10,351.77 is: 15,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.15 : 32,177.24 = 10,351.77 : x
  2. Step 2: Convert to fraction form
    21,447.15/32,177.24 = 10,351.77/x
  3. Step 3: Cross multiply
    21,447.15x = 32,177.24 × 10,351.77
  4. Step 4: Simplify right side
    21,447.15x = 333,091,335.96
  5. Step 5: Solve for x
    x = 333,091,335.96/21,447.15
  6. Step 6: Final answer
    x = 15,530.80

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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.