Home / 26,486.36-39,729.90-6,765.08

Finding the Fourth Proportional to 26,486.36, 39,729.90 and 6,765.08

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Solution

The fourth proportional to 26,486.36, 39,729.90 and 6,765.08 is: 10,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.36 : 39,729.90 = 6,765.08 : x
  2. Step 2: Convert to fraction form
    26,486.36/39,729.90 = 6,765.08/x
  3. Step 3: Cross multiply
    26,486.36x = 39,729.90 × 6,765.08
  4. Step 4: Simplify right side
    26,486.36x = 268,775,951.89
  5. Step 5: Solve for x
    x = 268,775,951.89/26,486.36
  6. Step 6: Final answer
    x = 10,147.71

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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.