Home / 28,701.84-43,072.62-11,171.76

Finding the Fourth Proportional to 28,701.84, 43,072.62 and 11,171.76

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Solution

The fourth proportional to 28,701.84, 43,072.62 and 11,171.76 is: 16,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.84 : 43,072.62 = 11,171.76 : x
  2. Step 2: Convert to fraction form
    28,701.84/43,072.62 = 11,171.76/x
  3. Step 3: Cross multiply
    28,701.84x = 43,072.62 × 11,171.76
  4. Step 4: Simplify right side
    28,701.84x = 481,196,973.21
  5. Step 5: Solve for x
    x = 481,196,973.21/28,701.84
  6. Step 6: Final answer
    x = 16,765.37

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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.