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Finding the Fourth Proportional to 52,695.73, 79,027.84 and 28,676.08

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Solution

The fourth proportional to 52,695.73, 79,027.84 and 28,676.08 is: 43,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695.73 : 79,027.84 = 28,676.08 : x
  2. Step 2: Convert to fraction form
    52,695.73/79,027.84 = 28,676.08/x
  3. Step 3: Cross multiply
    52,695.73x = 79,027.84 × 28,676.08
  4. Step 4: Simplify right side
    52,695.73x = 2,266,208,662.07
  5. Step 5: Solve for x
    x = 2,266,208,662.07/52,695.73
  6. Step 6: Final answer
    x = 43,005.55

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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.