Home / 25,519.66-38,285.75-8,879.83

Finding the Fourth Proportional to 25,519.66, 38,285.75 and 8,879.83

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Solution

The fourth proportional to 25,519.66, 38,285.75 and 8,879.83 is: 13,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.66 : 38,285.75 = 8,879.83 : x
  2. Step 2: Convert to fraction form
    25,519.66/38,285.75 = 8,879.83/x
  3. Step 3: Cross multiply
    25,519.66x = 38,285.75 × 8,879.83
  4. Step 4: Simplify right side
    25,519.66x = 339,970,877.91
  5. Step 5: Solve for x
    x = 339,970,877.91/25,519.66
  6. Step 6: Final answer
    x = 13,321.92

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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.