Home / 21,975.71-32,965.99-6,394.55

Finding the Fourth Proportional to 21,975.71, 32,965.99 and 6,394.55

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Solution

The fourth proportional to 21,975.71, 32,965.99 and 6,394.55 is: 9,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.71 : 32,965.99 = 6,394.55 : x
  2. Step 2: Convert to fraction form
    21,975.71/32,965.99 = 6,394.55/x
  3. Step 3: Cross multiply
    21,975.71x = 32,965.99 × 6,394.55
  4. Step 4: Simplify right side
    21,975.71x = 210,802,490.54
  5. Step 5: Solve for x
    x = 210,802,490.54/21,975.71
  6. Step 6: Final answer
    x = 9,592.52

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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.