Home / 28,642.73-42,995.51-22,757.43

Finding the Fourth Proportional to 28,642.73, 42,995.51 and 22,757.43

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Solution

The fourth proportional to 28,642.73, 42,995.51 and 22,757.43 is: 34,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.73 : 42,995.51 = 22,757.43 : x
  2. Step 2: Convert to fraction form
    28,642.73/42,995.51 = 22,757.43/x
  3. Step 3: Cross multiply
    28,642.73x = 42,995.51 × 22,757.43
  4. Step 4: Simplify right side
    28,642.73x = 978,467,309.14
  5. Step 5: Solve for x
    x = 978,467,309.14/28,642.73
  6. Step 6: Final answer
    x = 34,161.11

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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.