Home / 28,558.44-39,409.56-15,982.56

Finding the Fourth Proportional to 28,558.44, 39,409.56 and 15,982.56

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Solution

The fourth proportional to 28,558.44, 39,409.56 and 15,982.56 is: 22,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.44 : 39,409.56 = 15,982.56 : x
  2. Step 2: Convert to fraction form
    28,558.44/39,409.56 = 15,982.56/x
  3. Step 3: Cross multiply
    28,558.44x = 39,409.56 × 15,982.56
  4. Step 4: Simplify right side
    28,558.44x = 629,865,657.27
  5. Step 5: Solve for x
    x = 629,865,657.27/28,558.44
  6. Step 6: Final answer
    x = 22,055.32

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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.