Home / 20,213.62-27,887.22-20,182.50

Finding the Fourth Proportional to 20,213.62, 27,887.22 and 20,182.50

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Solution

The fourth proportional to 20,213.62, 27,887.22 and 20,182.50 is: 27,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.62 : 27,887.22 = 20,182.50 : x
  2. Step 2: Convert to fraction form
    20,213.62/27,887.22 = 20,182.50/x
  3. Step 3: Cross multiply
    20,213.62x = 27,887.22 × 20,182.50
  4. Step 4: Simplify right side
    20,213.62x = 562,833,817.65
  5. Step 5: Solve for x
    x = 562,833,817.65/20,213.62
  6. Step 6: Final answer
    x = 27,844.29

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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.