Home / 28,734.54-43,142.15-14,704.64

Finding the Fourth Proportional to 28,734.54, 43,142.15 and 14,704.64

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Solution

The fourth proportional to 28,734.54, 43,142.15 and 14,704.64 is: 22,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.54 : 43,142.15 = 14,704.64 : x
  2. Step 2: Convert to fraction form
    28,734.54/43,142.15 = 14,704.64/x
  3. Step 3: Cross multiply
    28,734.54x = 43,142.15 × 14,704.64
  4. Step 4: Simplify right side
    28,734.54x = 634,389,784.58
  5. Step 5: Solve for x
    x = 634,389,784.58/28,734.54
  6. Step 6: Final answer
    x = 22,077.60

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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.