Home / 21,885.44-32,830.32-6,305.36

Finding the Fourth Proportional to 21,885.44, 32,830.32 and 6,305.36

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Solution

The fourth proportional to 21,885.44, 32,830.32 and 6,305.36 is: 9,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.44 : 32,830.32 = 6,305.36 : x
  2. Step 2: Convert to fraction form
    21,885.44/32,830.32 = 6,305.36/x
  3. Step 3: Cross multiply
    21,885.44x = 32,830.32 × 6,305.36
  4. Step 4: Simplify right side
    21,885.44x = 207,006,986.52
  5. Step 5: Solve for x
    x = 207,006,986.52/21,885.44
  6. Step 6: Final answer
    x = 9,458.66

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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.