Home / 22,821.80-34,232.70-18,674.60

Finding the Fourth Proportional to 22,821.80, 34,232.70 and 18,674.60

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Solution

The fourth proportional to 22,821.80, 34,232.70 and 18,674.60 is: 28,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.80 : 34,232.70 = 18,674.60 : x
  2. Step 2: Convert to fraction form
    22,821.80/34,232.70 = 18,674.60/x
  3. Step 3: Cross multiply
    22,821.80x = 34,232.70 × 18,674.60
  4. Step 4: Simplify right side
    22,821.80x = 639,281,979.42
  5. Step 5: Solve for x
    x = 639,281,979.42/22,821.80
  6. Step 6: Final answer
    x = 28,011.90

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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.