Home / 28,301.46-42,470.61-10,771.44

Finding the Fourth Proportional to 28,301.46, 42,470.61 and 10,771.44

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Solution

The fourth proportional to 28,301.46, 42,470.61 and 10,771.44 is: 16,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.46 : 42,470.61 = 10,771.44 : x
  2. Step 2: Convert to fraction form
    28,301.46/42,470.61 = 10,771.44/x
  3. Step 3: Cross multiply
    28,301.46x = 42,470.61 × 10,771.44
  4. Step 4: Simplify right side
    28,301.46x = 457,469,415.03
  5. Step 5: Solve for x
    x = 457,469,415.03/28,301.46
  6. Step 6: Final answer
    x = 16,164.17

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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.