Home / 26,297.98-39,348.15-15,729.10

Finding the Fourth Proportional to 26,297.98, 39,348.15 and 15,729.10

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Solution

The fourth proportional to 26,297.98, 39,348.15 and 15,729.10 is: 23,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,297.98 : 39,348.15 = 15,729.10 : x
  2. Step 2: Convert to fraction form
    26,297.98/39,348.15 = 15,729.10/x
  3. Step 3: Cross multiply
    26,297.98x = 39,348.15 × 15,729.10
  4. Step 4: Simplify right side
    26,297.98x = 618,910,986.17
  5. Step 5: Solve for x
    x = 618,910,986.17/26,297.98
  6. Step 6: Final answer
    x = 23,534.54

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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.