Home / 20,022.84-30,028.73-7,549.65

Finding the Fourth Proportional to 20,022.84, 30,028.73 and 7,549.65

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Solution

The fourth proportional to 20,022.84, 30,028.73 and 7,549.65 is: 11,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.84 : 30,028.73 = 7,549.65 : x
  2. Step 2: Convert to fraction form
    20,022.84/30,028.73 = 7,549.65/x
  3. Step 3: Cross multiply
    20,022.84x = 30,028.73 × 7,549.65
  4. Step 4: Simplify right side
    20,022.84x = 226,706,363.70
  5. Step 5: Solve for x
    x = 226,706,363.70/20,022.84
  6. Step 6: Final answer
    x = 11,322.39

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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.