Home / 29,016.75-43,528.27-12,378.54

Finding the Fourth Proportional to 29,016.75, 43,528.27 and 12,378.54

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Solution

The fourth proportional to 29,016.75, 43,528.27 and 12,378.54 is: 18,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,016.75 : 43,528.27 = 12,378.54 : x
  2. Step 2: Convert to fraction form
    29,016.75/43,528.27 = 12,378.54/x
  3. Step 3: Cross multiply
    29,016.75x = 43,528.27 × 12,378.54
  4. Step 4: Simplify right side
    29,016.75x = 538,816,431.33
  5. Step 5: Solve for x
    x = 538,816,431.33/29,016.75
  6. Step 6: Final answer
    x = 18,569.15

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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.