Home / 20,178.36-30,284.82-16,100.28

Finding the Fourth Proportional to 20,178.36, 30,284.82 and 16,100.28

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Solution

The fourth proportional to 20,178.36, 30,284.82 and 16,100.28 is: 24,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.36 : 30,284.82 = 16,100.28 : x
  2. Step 2: Convert to fraction form
    20,178.36/30,284.82 = 16,100.28/x
  3. Step 3: Cross multiply
    20,178.36x = 30,284.82 × 16,100.28
  4. Step 4: Simplify right side
    20,178.36x = 487,594,081.75
  5. Step 5: Solve for x
    x = 487,594,081.75/20,178.36
  6. Step 6: Final answer
    x = 24,164.21

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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.