Home / 28,518.56-39,354.96-15,944.48

Finding the Fourth Proportional to 28,518.56, 39,354.96 and 15,944.48

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Solution

The fourth proportional to 28,518.56, 39,354.96 and 15,944.48 is: 22,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.56 : 39,354.96 = 15,944.48 : x
  2. Step 2: Convert to fraction form
    28,518.56/39,354.96 = 15,944.48/x
  3. Step 3: Cross multiply
    28,518.56x = 39,354.96 × 15,944.48
  4. Step 4: Simplify right side
    28,518.56x = 627,494,372.62
  5. Step 5: Solve for x
    x = 627,494,372.62/28,518.56
  6. Step 6: Final answer
    x = 22,003.02

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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.