Home / 21,436.98-32,175.21-10,914.52

Finding the Fourth Proportional to 21,436.98, 32,175.21 and 10,914.52

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Solution

The fourth proportional to 21,436.98, 32,175.21 and 10,914.52 is: 16,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436.98 : 32,175.21 = 10,914.52 : x
  2. Step 2: Convert to fraction form
    21,436.98/32,175.21 = 10,914.52/x
  3. Step 3: Cross multiply
    21,436.98x = 32,175.21 × 10,914.52
  4. Step 4: Simplify right side
    21,436.98x = 351,176,918.48
  5. Step 5: Solve for x
    x = 351,176,918.48/21,436.98
  6. Step 6: Final answer
    x = 16,381.83

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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.