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Finding the Fourth Proportional to 29,886.15, 44,818.77 and 8,820.60

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Solution

The fourth proportional to 29,886.15, 44,818.77 and 8,820.60 is: 13,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,886.15 : 44,818.77 = 8,820.60 : x
  2. Step 2: Convert to fraction form
    29,886.15/44,818.77 = 8,820.60/x
  3. Step 3: Cross multiply
    29,886.15x = 44,818.77 × 8,820.60
  4. Step 4: Simplify right side
    29,886.15x = 395,328,442.66
  5. Step 5: Solve for x
    x = 395,328,442.66/29,886.15
  6. Step 6: Final answer
    x = 13,227.81

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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.