Home / 26,439.23-39,654.34-8,669.54

Finding the Fourth Proportional to 26,439.23, 39,654.34 and 8,669.54

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Solution

The fourth proportional to 26,439.23, 39,654.34 and 8,669.54 is: 13,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.23 : 39,654.34 = 8,669.54 : x
  2. Step 2: Convert to fraction form
    26,439.23/39,654.34 = 8,669.54/x
  3. Step 3: Cross multiply
    26,439.23x = 39,654.34 × 8,669.54
  4. Step 4: Simplify right side
    26,439.23x = 343,784,886.80
  5. Step 5: Solve for x
    x = 343,784,886.80/26,439.23
  6. Step 6: Final answer
    x = 13,002.83

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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.