Home / 27,449.67-37,880.83-15,512.91

Finding the Fourth Proportional to 27,449.67, 37,880.83 and 15,512.91

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Solution

The fourth proportional to 27,449.67, 37,880.83 and 15,512.91 is: 21,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.67 : 37,880.83 = 15,512.91 : x
  2. Step 2: Convert to fraction form
    27,449.67/37,880.83 = 15,512.91/x
  3. Step 3: Cross multiply
    27,449.67x = 37,880.83 × 15,512.91
  4. Step 4: Simplify right side
    27,449.67x = 587,641,906.52
  5. Step 5: Solve for x
    x = 587,641,906.52/27,449.67
  6. Step 6: Final answer
    x = 21,407.98

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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.