Home / 28,064.27-42,098.47-8,072.95

Finding the Fourth Proportional to 28,064.27, 42,098.47 and 8,072.95

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Solution

The fourth proportional to 28,064.27, 42,098.47 and 8,072.95 is: 12,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.27 : 42,098.47 = 8,072.95 : x
  2. Step 2: Convert to fraction form
    28,064.27/42,098.47 = 8,072.95/x
  3. Step 3: Cross multiply
    28,064.27x = 42,098.47 × 8,072.95
  4. Step 4: Simplify right side
    28,064.27x = 339,858,843.39
  5. Step 5: Solve for x
    x = 339,858,843.39/28,064.27
  6. Step 6: Final answer
    x = 12,110.02

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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.