Home / 28,861.32-43,311.42-11,329.08

Finding the Fourth Proportional to 28,861.32, 43,311.42 and 11,329.08

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Solution

The fourth proportional to 28,861.32, 43,311.42 and 11,329.08 is: 17,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.32 : 43,311.42 = 11,329.08 : x
  2. Step 2: Convert to fraction form
    28,861.32/43,311.42 = 11,329.08/x
  3. Step 3: Cross multiply
    28,861.32x = 43,311.42 × 11,329.08
  4. Step 4: Simplify right side
    28,861.32x = 490,678,542.09
  5. Step 5: Solve for x
    x = 490,678,542.09/28,861.32
  6. Step 6: Final answer
    x = 17,001.25

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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.