Home / 21,486.87-32,230.00-10,394.53

Finding the Fourth Proportional to 21,486.87, 32,230.00 and 10,394.53

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Solution

The fourth proportional to 21,486.87, 32,230.00 and 10,394.53 is: 15,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.87 : 32,230.00 = 10,394.53 : x
  2. Step 2: Convert to fraction form
    21,486.87/32,230.00 = 10,394.53/x
  3. Step 3: Cross multiply
    21,486.87x = 32,230.00 × 10,394.53
  4. Step 4: Simplify right side
    21,486.87x = 335,015,634.32
  5. Step 5: Solve for x
    x = 335,015,634.32/21,486.87
  6. Step 6: Final answer
    x = 15,591.64

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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.