Home / 28,743.50-39,665.39-15,996.18

Finding the Fourth Proportional to 28,743.50, 39,665.39 and 15,996.18

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Solution

The fourth proportional to 28,743.50, 39,665.39 and 15,996.18 is: 22,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.50 : 39,665.39 = 15,996.18 : x
  2. Step 2: Convert to fraction form
    28,743.50/39,665.39 = 15,996.18/x
  3. Step 3: Cross multiply
    28,743.50x = 39,665.39 × 15,996.18
  4. Step 4: Simplify right side
    28,743.50x = 634,494,638.23
  5. Step 5: Solve for x
    x = 634,494,638.23/28,743.50
  6. Step 6: Final answer
    x = 22,074.37

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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.