Home / 28,840.28-43,262.22-12,197.20

Finding the Fourth Proportional to 28,840.28, 43,262.22 and 12,197.20

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Solution

The fourth proportional to 28,840.28, 43,262.22 and 12,197.20 is: 18,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.28 : 43,262.22 = 12,197.20 : x
  2. Step 2: Convert to fraction form
    28,840.28/43,262.22 = 12,197.20/x
  3. Step 3: Cross multiply
    28,840.28x = 43,262.22 × 12,197.20
  4. Step 4: Simplify right side
    28,840.28x = 527,677,949.78
  5. Step 5: Solve for x
    x = 527,677,949.78/28,840.28
  6. Step 6: Final answer
    x = 18,296.56

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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.