Home / 28,995.37-43,493.46-8,218.87

Finding the Fourth Proportional to 28,995.37, 43,493.46 and 8,218.87

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Solution

The fourth proportional to 28,995.37, 43,493.46 and 8,218.87 is: 12,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.37 : 43,493.46 = 8,218.87 : x
  2. Step 2: Convert to fraction form
    28,995.37/43,493.46 = 8,218.87/x
  3. Step 3: Cross multiply
    28,995.37x = 43,493.46 × 8,218.87
  4. Step 4: Simplify right side
    28,995.37x = 357,466,954.04
  5. Step 5: Solve for x
    x = 357,466,954.04/28,995.37
  6. Step 6: Final answer
    x = 12,328.42

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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.