Home / 26,148.60-39,222.84-6,427.20

Finding the Fourth Proportional to 26,148.60, 39,222.84 and 6,427.20

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Solution

The fourth proportional to 26,148.60, 39,222.84 and 6,427.20 is: 9,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.60 : 39,222.84 = 6,427.20 : x
  2. Step 2: Convert to fraction form
    26,148.60/39,222.84 = 6,427.20/x
  3. Step 3: Cross multiply
    26,148.60x = 39,222.84 × 6,427.20
  4. Step 4: Simplify right side
    26,148.60x = 252,093,037.25
  5. Step 5: Solve for x
    x = 252,093,037.25/26,148.60
  6. Step 6: Final answer
    x = 9,640.79

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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.