Home / 26,255.75-39,352.43-15,728.07

Finding the Fourth Proportional to 26,255.75, 39,352.43 and 15,728.07

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Solution

The fourth proportional to 26,255.75, 39,352.43 and 15,728.07 is: 23,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.75 : 39,352.43 = 15,728.07 : x
  2. Step 2: Convert to fraction form
    26,255.75/39,352.43 = 15,728.07/x
  3. Step 3: Cross multiply
    26,255.75x = 39,352.43 × 15,728.07
  4. Step 4: Simplify right side
    26,255.75x = 618,937,960.60
  5. Step 5: Solve for x
    x = 618,937,960.60/26,255.75
  6. Step 6: Final answer
    x = 23,573.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.