Home / 26,433.98-39,647.08-7,708.98

Finding the Fourth Proportional to 26,433.98, 39,647.08 and 7,708.98

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Solution

The fourth proportional to 26,433.98, 39,647.08 and 7,708.98 is: 11,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433.98 : 39,647.08 = 7,708.98 : x
  2. Step 2: Convert to fraction form
    26,433.98/39,647.08 = 7,708.98/x
  3. Step 3: Cross multiply
    26,433.98x = 39,647.08 × 7,708.98
  4. Step 4: Simplify right side
    26,433.98x = 305,638,546.78
  5. Step 5: Solve for x
    x = 305,638,546.78/26,433.98
  6. Step 6: Final answer
    x = 11,562.34

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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.