Home / 28,983.42-43,431.39-22,728.60

Finding the Fourth Proportional to 28,983.42, 43,431.39 and 22,728.60

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Solution

The fourth proportional to 28,983.42, 43,431.39 and 22,728.60 is: 34,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.42 : 43,431.39 = 22,728.60 : x
  2. Step 2: Convert to fraction form
    28,983.42/43,431.39 = 22,728.60/x
  3. Step 3: Cross multiply
    28,983.42x = 43,431.39 × 22,728.60
  4. Step 4: Simplify right side
    28,983.42x = 987,134,690.75
  5. Step 5: Solve for x
    x = 987,134,690.75/28,983.42
  6. Step 6: Final answer
    x = 34,058.60

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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.