Home / 26,189.38-39,288.96-8,671.54

Finding the Fourth Proportional to 26,189.38, 39,288.96 and 8,671.54

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Solution

The fourth proportional to 26,189.38, 39,288.96 and 8,671.54 is: 13,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.38 : 39,288.96 = 8,671.54 : x
  2. Step 2: Convert to fraction form
    26,189.38/39,288.96 = 8,671.54/x
  3. Step 3: Cross multiply
    26,189.38x = 39,288.96 × 8,671.54
  4. Step 4: Simplify right side
    26,189.38x = 340,695,788.20
  5. Step 5: Solve for x
    x = 340,695,788.20/26,189.38
  6. Step 6: Final answer
    x = 13,008.93

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1.5x scale

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.