Home / 22,990.75-34,490.23-8,958.42

Finding the Fourth Proportional to 22,990.75, 34,490.23 and 8,958.42

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Solution

The fourth proportional to 22,990.75, 34,490.23 and 8,958.42 is: 13,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.75 : 34,490.23 = 8,958.42 : x
  2. Step 2: Convert to fraction form
    22,990.75/34,490.23 = 8,958.42/x
  3. Step 3: Cross multiply
    22,990.75x = 34,490.23 × 8,958.42
  4. Step 4: Simplify right side
    22,990.75x = 308,977,943.84
  5. Step 5: Solve for x
    x = 308,977,943.84/22,990.75
  6. Step 6: Final answer
    x = 13,439.23

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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.