Home / 27,889.08-38,470.86-16,704.60

Finding the Fourth Proportional to 27,889.08, 38,470.86 and 16,704.60

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Solution

The fourth proportional to 27,889.08, 38,470.86 and 16,704.60 is: 23,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.08 : 38,470.86 = 16,704.60 : x
  2. Step 2: Convert to fraction form
    27,889.08/38,470.86 = 16,704.60/x
  3. Step 3: Cross multiply
    27,889.08x = 38,470.86 × 16,704.60
  4. Step 4: Simplify right side
    27,889.08x = 642,640,327.96
  5. Step 5: Solve for x
    x = 642,640,327.96/27,889.08
  6. Step 6: Final answer
    x = 23,042.72

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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.