Home / 28,593.76-42,843.21-20,232.33

Finding the Fourth Proportional to 28,593.76, 42,843.21 and 20,232.33

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Solution

The fourth proportional to 28,593.76, 42,843.21 and 20,232.33 is: 30,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.76 : 42,843.21 = 20,232.33 : x
  2. Step 2: Convert to fraction form
    28,593.76/42,843.21 = 20,232.33/x
  3. Step 3: Cross multiply
    28,593.76x = 42,843.21 × 20,232.33
  4. Step 4: Simplify right side
    28,593.76x = 866,817,962.98
  5. Step 5: Solve for x
    x = 866,817,962.98/28,593.76
  6. Step 6: Final answer
    x = 30,314.93

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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.