Home / 26,620.06-39,938.41-7,900.19

Finding the Fourth Proportional to 26,620.06, 39,938.41 and 7,900.19

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Solution

The fourth proportional to 26,620.06, 39,938.41 and 7,900.19 is: 11,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.06 : 39,938.41 = 7,900.19 : x
  2. Step 2: Convert to fraction form
    26,620.06/39,938.41 = 7,900.19/x
  3. Step 3: Cross multiply
    26,620.06x = 39,938.41 × 7,900.19
  4. Step 4: Simplify right side
    26,620.06x = 315,521,027.30
  5. Step 5: Solve for x
    x = 315,521,027.30/26,620.06
  6. Step 6: Final answer
    x = 11,852.75

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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.