Home / 28,809.11-43,213.67-9,089.66

Finding the Fourth Proportional to 28,809.11, 43,213.67 and 9,089.66

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Solution

The fourth proportional to 28,809.11, 43,213.67 and 9,089.66 is: 13,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.11 : 43,213.67 = 9,089.66 : x
  2. Step 2: Convert to fraction form
    28,809.11/43,213.67 = 9,089.66/x
  3. Step 3: Cross multiply
    28,809.11x = 43,213.67 × 9,089.66
  4. Step 4: Simplify right side
    28,809.11x = 392,797,630.24
  5. Step 5: Solve for x
    x = 392,797,630.24/28,809.11
  6. Step 6: Final answer
    x = 13,634.49

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Similar ratio
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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.