Home / 25,237.62-37,879.88-12,766.46

Finding the Fourth Proportional to 25,237.62, 37,879.88 and 12,766.46

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Solution

The fourth proportional to 25,237.62, 37,879.88 and 12,766.46 is: 19,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,237.62 : 37,879.88 = 12,766.46 : x
  2. Step 2: Convert to fraction form
    25,237.62/37,879.88 = 12,766.46/x
  3. Step 3: Cross multiply
    25,237.62x = 37,879.88 × 12,766.46
  4. Step 4: Simplify right side
    25,237.62x = 483,591,719.59
  5. Step 5: Solve for x
    x = 483,591,719.59/25,237.62
  6. Step 6: Final answer
    x = 19,161.54

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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.