Home / 27,899.76-38,531.88-17,314.64

Finding the Fourth Proportional to 27,899.76, 38,531.88 and 17,314.64

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Solution

The fourth proportional to 27,899.76, 38,531.88 and 17,314.64 is: 23,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.76 : 38,531.88 = 17,314.64 : x
  2. Step 2: Convert to fraction form
    27,899.76/38,531.88 = 17,314.64/x
  3. Step 3: Cross multiply
    27,899.76x = 38,531.88 × 17,314.64
  4. Step 4: Simplify right side
    27,899.76x = 667,165,630.72
  5. Step 5: Solve for x
    x = 667,165,630.72/27,899.76
  6. Step 6: Final answer
    x = 23,912.95

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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.