Home / 21,344.28-32,021.16-6,554.48

Finding the Fourth Proportional to 21,344.28, 32,021.16 and 6,554.48

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Solution

The fourth proportional to 21,344.28, 32,021.16 and 6,554.48 is: 9,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.28 : 32,021.16 = 6,554.48 : x
  2. Step 2: Convert to fraction form
    21,344.28/32,021.16 = 6,554.48/x
  3. Step 3: Cross multiply
    21,344.28x = 32,021.16 × 6,554.48
  4. Step 4: Simplify right side
    21,344.28x = 209,882,052.80
  5. Step 5: Solve for x
    x = 209,882,052.80/21,344.28
  6. Step 6: Final answer
    x = 9,833.18

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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.