Home / 28,764.27-43,152.90-8,775.54

Finding the Fourth Proportional to 28,764.27, 43,152.90 and 8,775.54

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Solution

The fourth proportional to 28,764.27, 43,152.90 and 8,775.54 is: 13,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.27 : 43,152.90 = 8,775.54 : x
  2. Step 2: Convert to fraction form
    28,764.27/43,152.90 = 8,775.54/x
  3. Step 3: Cross multiply
    28,764.27x = 43,152.90 × 8,775.54
  4. Step 4: Simplify right side
    28,764.27x = 378,690,000.07
  5. Step 5: Solve for x
    x = 378,690,000.07/28,764.27
  6. Step 6: Final answer
    x = 13,165.29

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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.