Home / 28,880.70-43,323.35-11,119.97

Finding the Fourth Proportional to 28,880.70, 43,323.35 and 11,119.97

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Solution

The fourth proportional to 28,880.70, 43,323.35 and 11,119.97 is: 16,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.70 : 43,323.35 = 11,119.97 : x
  2. Step 2: Convert to fraction form
    28,880.70/43,323.35 = 11,119.97/x
  3. Step 3: Cross multiply
    28,880.70x = 43,323.35 × 11,119.97
  4. Step 4: Simplify right side
    28,880.70x = 481,754,352.30
  5. Step 5: Solve for x
    x = 481,754,352.30/28,880.70
  6. Step 6: Final answer
    x = 16,680.84

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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.