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Finding the Fourth Proportional to 23,893.63, 32,897.88 and 21,679.27

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Solution

The fourth proportional to 23,893.63, 32,897.88 and 21,679.27 is: 29,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,893.63 : 32,897.88 = 21,679.27 : x
  2. Step 2: Convert to fraction form
    23,893.63/32,897.88 = 21,679.27/x
  3. Step 3: Cross multiply
    23,893.63x = 32,897.88 × 21,679.27
  4. Step 4: Simplify right side
    23,893.63x = 713,202,022.95
  5. Step 5: Solve for x
    x = 713,202,022.95/23,893.63
  6. Step 6: Final answer
    x = 29,849.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.