Home / 27,269.85-37,619.78-15,939.83

Finding the Fourth Proportional to 27,269.85, 37,619.78 and 15,939.83

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Solution

The fourth proportional to 27,269.85, 37,619.78 and 15,939.83 is: 21,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.85 : 37,619.78 = 15,939.83 : x
  2. Step 2: Convert to fraction form
    27,269.85/37,619.78 = 15,939.83/x
  3. Step 3: Cross multiply
    27,269.85x = 37,619.78 × 15,939.83
  4. Step 4: Simplify right side
    27,269.85x = 599,652,630.04
  5. Step 5: Solve for x
    x = 599,652,630.04/27,269.85
  6. Step 6: Final answer
    x = 21,989.58

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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.