Home / 21,363.69-32,052.02-15,135.75

Finding the Fourth Proportional to 21,363.69, 32,052.02 and 15,135.75

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Solution

The fourth proportional to 21,363.69, 32,052.02 and 15,135.75 is: 22,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.69 : 32,052.02 = 15,135.75 : x
  2. Step 2: Convert to fraction form
    21,363.69/32,052.02 = 15,135.75/x
  3. Step 3: Cross multiply
    21,363.69x = 32,052.02 × 15,135.75
  4. Step 4: Simplify right side
    21,363.69x = 485,131,361.72
  5. Step 5: Solve for x
    x = 485,131,361.72/21,363.69
  6. Step 6: Final answer
    x = 22,708.22

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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.