Home / 28,961.44-43,514.91-18,436.12

Finding the Fourth Proportional to 28,961.44, 43,514.91 and 18,436.12

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Solution

The fourth proportional to 28,961.44, 43,514.91 and 18,436.12 is: 27,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.44 : 43,514.91 = 18,436.12 : x
  2. Step 2: Convert to fraction form
    28,961.44/43,514.91 = 18,436.12/x
  3. Step 3: Cross multiply
    28,961.44x = 43,514.91 × 18,436.12
  4. Step 4: Simplify right side
    28,961.44x = 802,246,102.55
  5. Step 5: Solve for x
    x = 802,246,102.55/28,961.44
  6. Step 6: Final answer
    x = 27,700.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.