Home / 28,562.78-42,839.94-11,030.42

Finding the Fourth Proportional to 28,562.78, 42,839.94 and 11,030.42

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Solution

The fourth proportional to 28,562.78, 42,839.94 and 11,030.42 is: 16,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.78 : 42,839.94 = 11,030.42 : x
  2. Step 2: Convert to fraction form
    28,562.78/42,839.94 = 11,030.42/x
  3. Step 3: Cross multiply
    28,562.78x = 42,839.94 × 11,030.42
  4. Step 4: Simplify right side
    28,562.78x = 472,542,530.97
  5. Step 5: Solve for x
    x = 472,542,530.97/28,562.78
  6. Step 6: Final answer
    x = 16,544.00

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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.