Home / 21,851.31-32,767.25-16,641.39

Finding the Fourth Proportional to 21,851.31, 32,767.25 and 16,641.39

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Solution

The fourth proportional to 21,851.31, 32,767.25 and 16,641.39 is: 24,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851.31 : 32,767.25 = 16,641.39 : x
  2. Step 2: Convert to fraction form
    21,851.31/32,767.25 = 16,641.39/x
  3. Step 3: Cross multiply
    21,851.31x = 32,767.25 × 16,641.39
  4. Step 4: Simplify right side
    21,851.31x = 545,292,503.27
  5. Step 5: Solve for x
    x = 545,292,503.27/21,851.31
  6. Step 6: Final answer
    x = 24,954.68

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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.