Home / 20,190.26-27,844.84-14,137.40

Finding the Fourth Proportional to 20,190.26, 27,844.84 and 14,137.40

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Solution

The fourth proportional to 20,190.26, 27,844.84 and 14,137.40 is: 19,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.26 : 27,844.84 = 14,137.40 : x
  2. Step 2: Convert to fraction form
    20,190.26/27,844.84 = 14,137.40/x
  3. Step 3: Cross multiply
    20,190.26x = 27,844.84 × 14,137.40
  4. Step 4: Simplify right side
    20,190.26x = 393,653,641.02
  5. Step 5: Solve for x
    x = 393,653,641.02/20,190.26
  6. Step 6: Final answer
    x = 19,497.21

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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.