Home / 28,960.35-43,431.27-9,234.29

Finding the Fourth Proportional to 28,960.35, 43,431.27 and 9,234.29

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Solution

The fourth proportional to 28,960.35, 43,431.27 and 9,234.29 is: 13,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.35 : 43,431.27 = 9,234.29 : x
  2. Step 2: Convert to fraction form
    28,960.35/43,431.27 = 9,234.29/x
  3. Step 3: Cross multiply
    28,960.35x = 43,431.27 × 9,234.29
  4. Step 4: Simplify right side
    28,960.35x = 401,056,725.09
  5. Step 5: Solve for x
    x = 401,056,725.09/28,960.35
  6. Step 6: Final answer
    x = 13,848.48

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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.