Home / 26,418.94-39,626.01-9,779.11

Finding the Fourth Proportional to 26,418.94, 39,626.01 and 9,779.11

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Solution

The fourth proportional to 26,418.94, 39,626.01 and 9,779.11 is: 14,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.94 : 39,626.01 = 9,779.11 : x
  2. Step 2: Convert to fraction form
    26,418.94/39,626.01 = 9,779.11/x
  3. Step 3: Cross multiply
    26,418.94x = 39,626.01 × 9,779.11
  4. Step 4: Simplify right side
    26,418.94x = 387,507,110.65
  5. Step 5: Solve for x
    x = 387,507,110.65/26,418.94
  6. Step 6: Final answer
    x = 14,667.78

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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.