Home / 28,938.33-39,912.37-19,375.18

Finding the Fourth Proportional to 28,938.33, 39,912.37 and 19,375.18

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Solution

The fourth proportional to 28,938.33, 39,912.37 and 19,375.18 is: 26,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.33 : 39,912.37 = 19,375.18 : x
  2. Step 2: Convert to fraction form
    28,938.33/39,912.37 = 19,375.18/x
  3. Step 3: Cross multiply
    28,938.33x = 39,912.37 × 19,375.18
  4. Step 4: Simplify right side
    28,938.33x = 773,309,352.98
  5. Step 5: Solve for x
    x = 773,309,352.98/28,938.33
  6. Step 6: Final answer
    x = 26,722.67

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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.