Home / 28,635.44-39,512.34-18,577.68

Finding the Fourth Proportional to 28,635.44, 39,512.34 and 18,577.68

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Solution

The fourth proportional to 28,635.44, 39,512.34 and 18,577.68 is: 25,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.44 : 39,512.34 = 18,577.68 : x
  2. Step 2: Convert to fraction form
    28,635.44/39,512.34 = 18,577.68/x
  3. Step 3: Cross multiply
    28,635.44x = 39,512.34 × 18,577.68
  4. Step 4: Simplify right side
    28,635.44x = 734,047,608.57
  5. Step 5: Solve for x
    x = 734,047,608.57/28,635.44
  6. Step 6: Final answer
    x = 25,634.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.