Home / 28,171.44-42,195.76-14,106.94

Finding the Fourth Proportional to 28,171.44, 42,195.76 and 14,106.94

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Solution

The fourth proportional to 28,171.44, 42,195.76 and 14,106.94 is: 21,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.44 : 42,195.76 = 14,106.94 : x
  2. Step 2: Convert to fraction form
    28,171.44/42,195.76 = 14,106.94/x
  3. Step 3: Cross multiply
    28,171.44x = 42,195.76 × 14,106.94
  4. Step 4: Simplify right side
    28,171.44x = 595,253,072.05
  5. Step 5: Solve for x
    x = 595,253,072.05/28,171.44
  6. Step 6: Final answer
    x = 21,129.66

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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.