Home / 26,546.98-39,826.23-8,078.50

Finding the Fourth Proportional to 26,546.98, 39,826.23 and 8,078.50

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Solution

The fourth proportional to 26,546.98, 39,826.23 and 8,078.50 is: 12,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,546.98 : 39,826.23 = 8,078.50 : x
  2. Step 2: Convert to fraction form
    26,546.98/39,826.23 = 8,078.50/x
  3. Step 3: Cross multiply
    26,546.98x = 39,826.23 × 8,078.50
  4. Step 4: Simplify right side
    26,546.98x = 321,736,199.06
  5. Step 5: Solve for x
    x = 321,736,199.06/26,546.98
  6. Step 6: Final answer
    x = 12,119.50

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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.