Home / 27,317.94-40,879.38-19,830.18

Finding the Fourth Proportional to 27,317.94, 40,879.38 and 19,830.18

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Solution

The fourth proportional to 27,317.94, 40,879.38 and 19,830.18 is: 29,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.94 : 40,879.38 = 19,830.18 : x
  2. Step 2: Convert to fraction form
    27,317.94/40,879.38 = 19,830.18/x
  3. Step 3: Cross multiply
    27,317.94x = 40,879.38 × 19,830.18
  4. Step 4: Simplify right side
    27,317.94x = 810,645,463.69
  5. Step 5: Solve for x
    x = 810,645,463.69/27,317.94
  6. Step 6: Final answer
    x = 29,674.47

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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.