Home / 26,019.06-39,015.60-8,486.70

Finding the Fourth Proportional to 26,019.06, 39,015.60 and 8,486.70

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Solution

The fourth proportional to 26,019.06, 39,015.60 and 8,486.70 is: 12,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.06 : 39,015.60 = 8,486.70 : x
  2. Step 2: Convert to fraction form
    26,019.06/39,015.60 = 8,486.70/x
  3. Step 3: Cross multiply
    26,019.06x = 39,015.60 × 8,486.70
  4. Step 4: Simplify right side
    26,019.06x = 331,113,692.52
  5. Step 5: Solve for x
    x = 331,113,692.52/26,019.06
  6. Step 6: Final answer
    x = 12,725.81

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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.