Home / 27,121.73-37,423.66-15,185.57

Finding the Fourth Proportional to 27,121.73, 37,423.66 and 15,185.57

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Solution

The fourth proportional to 27,121.73, 37,423.66 and 15,185.57 is: 20,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.73 : 37,423.66 = 15,185.57 : x
  2. Step 2: Convert to fraction form
    27,121.73/37,423.66 = 15,185.57/x
  3. Step 3: Cross multiply
    27,121.73x = 37,423.66 × 15,185.57
  4. Step 4: Simplify right side
    27,121.73x = 568,299,608.59
  5. Step 5: Solve for x
    x = 568,299,608.59/27,121.73
  6. Step 6: Final answer
    x = 20,953.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.