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Finding the Fourth Proportional to 15,296.37, 21,109.05 and 8,582.28

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Solution

The fourth proportional to 15,296.37, 21,109.05 and 8,582.28 is: 11,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.37 : 21,109.05 = 8,582.28 : x
  2. Step 2: Convert to fraction form
    15,296.37/21,109.05 = 8,582.28/x
  3. Step 3: Cross multiply
    15,296.37x = 21,109.05 × 8,582.28
  4. Step 4: Simplify right side
    15,296.37x = 181,163,777.63
  5. Step 5: Solve for x
    x = 181,163,777.63/15,296.37
  6. Step 6: Final answer
    x = 11,843.58

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