Home / 28,542.46-39,392.32-15,971.26

Finding the Fourth Proportional to 28,542.46, 39,392.32 and 15,971.26

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Solution

The fourth proportional to 28,542.46, 39,392.32 and 15,971.26 is: 22,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.46 : 39,392.32 = 15,971.26 : x
  2. Step 2: Convert to fraction form
    28,542.46/39,392.32 = 15,971.26/x
  3. Step 3: Cross multiply
    28,542.46x = 39,392.32 × 15,971.26
  4. Step 4: Simplify right side
    28,542.46x = 629,144,984.72
  5. Step 5: Solve for x
    x = 629,144,984.72/28,542.46
  6. Step 6: Final answer
    x = 22,042.42

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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.