Home / 27,121.98-37,429.74-15,184.61

Finding the Fourth Proportional to 27,121.98, 37,429.74 and 15,184.61

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Solution

The fourth proportional to 27,121.98, 37,429.74 and 15,184.61 is: 20,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.98 : 37,429.74 = 15,184.61 : x
  2. Step 2: Convert to fraction form
    27,121.98/37,429.74 = 15,184.61/x
  3. Step 3: Cross multiply
    27,121.98x = 37,429.74 × 15,184.61
  4. Step 4: Simplify right side
    27,121.98x = 568,355,817.15
  5. Step 5: Solve for x
    x = 568,355,817.15/27,121.98
  6. Step 6: Final answer
    x = 20,955.54

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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.