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Finding the Fourth Proportional to 28,714.77, 43,160.00 and 23,815.89

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Solution

The fourth proportional to 28,714.77, 43,160.00 and 23,815.89 is: 35,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.77 : 43,160.00 = 23,815.89 : x
  2. Step 2: Convert to fraction form
    28,714.77/43,160.00 = 23,815.89/x
  3. Step 3: Cross multiply
    28,714.77x = 43,160.00 × 23,815.89
  4. Step 4: Simplify right side
    28,714.77x = 1,027,893,693.32
  5. Step 5: Solve for x
    x = 1,027,893,693.32/28,714.77
  6. Step 6: Final answer
    x = 35,796.69

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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.