Home / 21,965.25-32,942.93-10,107.64

Finding the Fourth Proportional to 21,965.25, 32,942.93 and 10,107.64

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Solution

The fourth proportional to 21,965.25, 32,942.93 and 10,107.64 is: 15,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.25 : 32,942.93 = 10,107.64 : x
  2. Step 2: Convert to fraction form
    21,965.25/32,942.93 = 10,107.64/x
  3. Step 3: Cross multiply
    21,965.25x = 32,942.93 × 10,107.64
  4. Step 4: Simplify right side
    21,965.25x = 332,975,276.99
  5. Step 5: Solve for x
    x = 332,975,276.99/21,965.25
  6. Step 6: Final answer
    x = 15,159.18

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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.