Home / 28,056.36-42,049.05-12,257.22

Finding the Fourth Proportional to 28,056.36, 42,049.05 and 12,257.22

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Solution

The fourth proportional to 28,056.36, 42,049.05 and 12,257.22 is: 18,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.36 : 42,049.05 = 12,257.22 : x
  2. Step 2: Convert to fraction form
    28,056.36/42,049.05 = 12,257.22/x
  3. Step 3: Cross multiply
    28,056.36x = 42,049.05 × 12,257.22
  4. Step 4: Simplify right side
    28,056.36x = 515,404,456.64
  5. Step 5: Solve for x
    x = 515,404,456.64/28,056.36
  6. Step 6: Final answer
    x = 18,370.33

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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.