Home / 19,923-27,434.39-19,480.96

Finding the Fourth Proportional to 19,923, 27,434.39 and 19,480.96

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Solution

The fourth proportional to 19,923, 27,434.39 and 19,480.96 is: 26,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923 : 27,434.39 = 19,480.96 : x
  2. Step 2: Convert to fraction form
    19,923/27,434.39 = 19,480.96/x
  3. Step 3: Cross multiply
    19,923x = 27,434.39 × 19,480.96
  4. Step 4: Simplify right side
    19,923x = 534,448,254.21
  5. Step 5: Solve for x
    x = 534,448,254.21/19,923
  6. Step 6: Final answer
    x = 26,825.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.