Home / 21,735.82-32,587.79-6,936.21

Finding the Fourth Proportional to 21,735.82, 32,587.79 and 6,936.21

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Solution

The fourth proportional to 21,735.82, 32,587.79 and 6,936.21 is: 10,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.82 : 32,587.79 = 6,936.21 : x
  2. Step 2: Convert to fraction form
    21,735.82/32,587.79 = 6,936.21/x
  3. Step 3: Cross multiply
    21,735.82x = 32,587.79 × 6,936.21
  4. Step 4: Simplify right side
    21,735.82x = 226,035,720.19
  5. Step 5: Solve for x
    x = 226,035,720.19/21,735.82
  6. Step 6: Final answer
    x = 10,399.23

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1.5x scale

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.