Home / 21,032.21-31,548.42-6,241.28

Finding the Fourth Proportional to 21,032.21, 31,548.42 and 6,241.28

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Solution

The fourth proportional to 21,032.21, 31,548.42 and 6,241.28 is: 9,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.21 : 31,548.42 = 6,241.28 : x
  2. Step 2: Convert to fraction form
    21,032.21/31,548.42 = 6,241.28/x
  3. Step 3: Cross multiply
    21,032.21x = 31,548.42 × 6,241.28
  4. Step 4: Simplify right side
    21,032.21x = 196,902,365.04
  5. Step 5: Solve for x
    x = 196,902,365.04/21,032.21
  6. Step 6: Final answer
    x = 9,361.95

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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.