Home / 21,357.28-32,034.36-6,564.96

Finding the Fourth Proportional to 21,357.28, 32,034.36 and 6,564.96

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Solution

The fourth proportional to 21,357.28, 32,034.36 and 6,564.96 is: 9,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.28 : 32,034.36 = 6,564.96 : x
  2. Step 2: Convert to fraction form
    21,357.28/32,034.36 = 6,564.96/x
  3. Step 3: Cross multiply
    21,357.28x = 32,034.36 × 6,564.96
  4. Step 4: Simplify right side
    21,357.28x = 210,304,292.03
  5. Step 5: Solve for x
    x = 210,304,292.03/21,357.28
  6. Step 6: Final answer
    x = 9,846.96

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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.