Home / 28,234.82-42,352.41-8,513.30

Finding the Fourth Proportional to 28,234.82, 42,352.41 and 8,513.30

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Solution

The fourth proportional to 28,234.82, 42,352.41 and 8,513.30 is: 12,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.82 : 42,352.41 = 8,513.30 : x
  2. Step 2: Convert to fraction form
    28,234.82/42,352.41 = 8,513.30/x
  3. Step 3: Cross multiply
    28,234.82x = 42,352.41 × 8,513.30
  4. Step 4: Simplify right side
    28,234.82x = 360,558,772.05
  5. Step 5: Solve for x
    x = 360,558,772.05/28,234.82
  6. Step 6: Final answer
    x = 12,770.00

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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.