Home / 26,369.78-39,559.47-13,231.22

Finding the Fourth Proportional to 26,369.78, 39,559.47 and 13,231.22

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Solution

The fourth proportional to 26,369.78, 39,559.47 and 13,231.22 is: 19,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.78 : 39,559.47 = 13,231.22 : x
  2. Step 2: Convert to fraction form
    26,369.78/39,559.47 = 13,231.22/x
  3. Step 3: Cross multiply
    26,369.78x = 39,559.47 × 13,231.22
  4. Step 4: Simplify right side
    26,369.78x = 523,420,050.65
  5. Step 5: Solve for x
    x = 523,420,050.65/26,369.78
  6. Step 6: Final answer
    x = 19,849.24

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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.