Home / 21,812.06-32,727.80-7,957.82

Finding the Fourth Proportional to 21,812.06, 32,727.80 and 7,957.82

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Solution

The fourth proportional to 21,812.06, 32,727.80 and 7,957.82 is: 11,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812.06 : 32,727.80 = 7,957.82 : x
  2. Step 2: Convert to fraction form
    21,812.06/32,727.80 = 7,957.82/x
  3. Step 3: Cross multiply
    21,812.06x = 32,727.80 × 7,957.82
  4. Step 4: Simplify right side
    21,812.06x = 260,441,941.40
  5. Step 5: Solve for x
    x = 260,441,941.40/21,812.06
  6. Step 6: Final answer
    x = 11,940.27

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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.