Home / 28,823.52-43,234.20-9,103.26

Finding the Fourth Proportional to 28,823.52, 43,234.20 and 9,103.26

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Solution

The fourth proportional to 28,823.52, 43,234.20 and 9,103.26 is: 13,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.52 : 43,234.20 = 9,103.26 : x
  2. Step 2: Convert to fraction form
    28,823.52/43,234.20 = 9,103.26/x
  3. Step 3: Cross multiply
    28,823.52x = 43,234.20 × 9,103.26
  4. Step 4: Simplify right side
    28,823.52x = 393,572,163.49
  5. Step 5: Solve for x
    x = 393,572,163.49/28,823.52
  6. Step 6: Final answer
    x = 13,654.55

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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.