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Finding the Fourth Proportional to 15,652.02, 21,600.80 and 8,578.44

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Solution

The fourth proportional to 15,652.02, 21,600.80 and 8,578.44 is: 11,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.02 : 21,600.80 = 8,578.44 : x
  2. Step 2: Convert to fraction form
    15,652.02/21,600.80 = 8,578.44/x
  3. Step 3: Cross multiply
    15,652.02x = 21,600.80 × 8,578.44
  4. Step 4: Simplify right side
    15,652.02x = 185,301,123.86
  5. Step 5: Solve for x
    x = 185,301,123.86/15,652.02
  6. Step 6: Final answer
    x = 11,838.80

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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.