Home / 27,515.42-41,289.52-9,986.61

Finding the Fourth Proportional to 27,515.42, 41,289.52 and 9,986.61

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Solution

The fourth proportional to 27,515.42, 41,289.52 and 9,986.61 is: 14,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.42 : 41,289.52 = 9,986.61 : x
  2. Step 2: Convert to fraction form
    27,515.42/41,289.52 = 9,986.61/x
  3. Step 3: Cross multiply
    27,515.42x = 41,289.52 × 9,986.61
  4. Step 4: Simplify right side
    27,515.42x = 412,342,333.33
  5. Step 5: Solve for x
    x = 412,342,333.33/27,515.42
  6. Step 6: Final answer
    x = 14,985.86

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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.