Home / 21,443.25-32,145.71-10,907.37

Finding the Fourth Proportional to 21,443.25, 32,145.71 and 10,907.37

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Solution

The fourth proportional to 21,443.25, 32,145.71 and 10,907.37 is: 16,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.25 : 32,145.71 = 10,907.37 : x
  2. Step 2: Convert to fraction form
    21,443.25/32,145.71 = 10,907.37/x
  3. Step 3: Cross multiply
    21,443.25x = 32,145.71 × 10,907.37
  4. Step 4: Simplify right side
    21,443.25x = 350,625,098.35
  5. Step 5: Solve for x
    x = 350,625,098.35/21,443.25
  6. Step 6: Final answer
    x = 16,351.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.