Home / 28,370.44-39,157.14-17,040.43

Finding the Fourth Proportional to 28,370.44, 39,157.14 and 17,040.43

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Solution

The fourth proportional to 28,370.44, 39,157.14 and 17,040.43 is: 23,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.44 : 39,157.14 = 17,040.43 : x
  2. Step 2: Convert to fraction form
    28,370.44/39,157.14 = 17,040.43/x
  3. Step 3: Cross multiply
    28,370.44x = 39,157.14 × 17,040.43
  4. Step 4: Simplify right side
    28,370.44x = 667,254,503.17
  5. Step 5: Solve for x
    x = 667,254,503.17/28,370.44
  6. Step 6: Final answer
    x = 23,519.36

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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.