Home / 21,772.76-32,664.27-6,190.52

Finding the Fourth Proportional to 21,772.76, 32,664.27 and 6,190.52

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Solution

The fourth proportional to 21,772.76, 32,664.27 and 6,190.52 is: 9,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,772.76 : 32,664.27 = 6,190.52 : x
  2. Step 2: Convert to fraction form
    21,772.76/32,664.27 = 6,190.52/x
  3. Step 3: Cross multiply
    21,772.76x = 32,664.27 × 6,190.52
  4. Step 4: Simplify right side
    21,772.76x = 202,208,816.72
  5. Step 5: Solve for x
    x = 202,208,816.72/21,772.76
  6. Step 6: Final answer
    x = 9,287.24

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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.