Home / 28,087.41-42,131.00-11,443.73

Finding the Fourth Proportional to 28,087.41, 42,131.00 and 11,443.73

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Solution

The fourth proportional to 28,087.41, 42,131.00 and 11,443.73 is: 17,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.41 : 42,131.00 = 11,443.73 : x
  2. Step 2: Convert to fraction form
    28,087.41/42,131.00 = 11,443.73/x
  3. Step 3: Cross multiply
    28,087.41x = 42,131.00 × 11,443.73
  4. Step 4: Simplify right side
    28,087.41x = 482,135,731.41
  5. Step 5: Solve for x
    x = 482,135,731.41/28,087.41
  6. Step 6: Final answer
    x = 17,165.55

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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.