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Finding the Fourth Proportional to 21,756, 32,634.03 and 9,444

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Solution

The fourth proportional to 21,756, 32,634.03 and 9,444 is: 14,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756 : 32,634.03 = 9,444 : x
  2. Step 2: Convert to fraction form
    21,756/32,634.03 = 9,444/x
  3. Step 3: Cross multiply
    21,756x = 32,634.03 × 9,444
  4. Step 4: Simplify right side
    21,756x = 308,195,779.32
  5. Step 5: Solve for x
    x = 308,195,779.32/21,756
  6. Step 6: Final answer
    x = 14,166.01

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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.