Home / 28,911.94-43,371.35-10,188.08

Finding the Fourth Proportional to 28,911.94, 43,371.35 and 10,188.08

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Solution

The fourth proportional to 28,911.94, 43,371.35 and 10,188.08 is: 15,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.94 : 43,371.35 = 10,188.08 : x
  2. Step 2: Convert to fraction form
    28,911.94/43,371.35 = 10,188.08/x
  3. Step 3: Cross multiply
    28,911.94x = 43,371.35 × 10,188.08
  4. Step 4: Simplify right side
    28,911.94x = 441,870,716.56
  5. Step 5: Solve for x
    x = 441,870,716.56/28,911.94
  6. Step 6: Final answer
    x = 15,283.33

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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.