Home / 26,111.25-39,114.99-12,923.37

Finding the Fourth Proportional to 26,111.25, 39,114.99 and 12,923.37

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Solution

The fourth proportional to 26,111.25, 39,114.99 and 12,923.37 is: 19,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.25 : 39,114.99 = 12,923.37 : x
  2. Step 2: Convert to fraction form
    26,111.25/39,114.99 = 12,923.37/x
  3. Step 3: Cross multiply
    26,111.25x = 39,114.99 × 12,923.37
  4. Step 4: Simplify right side
    26,111.25x = 505,497,488.32
  5. Step 5: Solve for x
    x = 505,497,488.32/26,111.25
  6. Step 6: Final answer
    x = 19,359.38

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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.