Home / 28,233.30-42,351.99-8,513.38

Finding the Fourth Proportional to 28,233.30, 42,351.99 and 8,513.38

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Solution

The fourth proportional to 28,233.30, 42,351.99 and 8,513.38 is: 12,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.30 : 42,351.99 = 8,513.38 : x
  2. Step 2: Convert to fraction form
    28,233.30/42,351.99 = 8,513.38/x
  3. Step 3: Cross multiply
    28,233.30x = 42,351.99 × 8,513.38
  4. Step 4: Simplify right side
    28,233.30x = 360,558,584.63
  5. Step 5: Solve for x
    x = 360,558,584.63/28,233.30
  6. Step 6: Final answer
    x = 12,770.69

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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.