Home / 27,438.65-41,160.71-12,651.80

Finding the Fourth Proportional to 27,438.65, 41,160.71 and 12,651.80

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Solution

The fourth proportional to 27,438.65, 41,160.71 and 12,651.80 is: 18,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.65 : 41,160.71 = 12,651.80 : x
  2. Step 2: Convert to fraction form
    27,438.65/41,160.71 = 12,651.80/x
  3. Step 3: Cross multiply
    27,438.65x = 41,160.71 × 12,651.80
  4. Step 4: Simplify right side
    27,438.65x = 520,756,825.44
  5. Step 5: Solve for x
    x = 520,756,825.44/27,438.65
  6. Step 6: Final answer
    x = 18,978.95

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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.