Home / 21,957.44-32,897.76-18,283.20

Finding the Fourth Proportional to 21,957.44, 32,897.76 and 18,283.20

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Solution

The fourth proportional to 21,957.44, 32,897.76 and 18,283.20 is: 27,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.44 : 32,897.76 = 18,283.20 : x
  2. Step 2: Convert to fraction form
    21,957.44/32,897.76 = 18,283.20/x
  3. Step 3: Cross multiply
    21,957.44x = 32,897.76 × 18,283.20
  4. Step 4: Simplify right side
    21,957.44x = 601,476,325.63
  5. Step 5: Solve for x
    x = 601,476,325.63/21,957.44
  6. Step 6: Final answer
    x = 27,392.83

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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.