Home / 20,126.44-27,764.84-14,161.40

Finding the Fourth Proportional to 20,126.44, 27,764.84 and 14,161.40

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Solution

The fourth proportional to 20,126.44, 27,764.84 and 14,161.40 is: 19,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.44 : 27,764.84 = 14,161.40 : x
  2. Step 2: Convert to fraction form
    20,126.44/27,764.84 = 14,161.40/x
  3. Step 3: Cross multiply
    20,126.44x = 27,764.84 × 14,161.40
  4. Step 4: Simplify right side
    20,126.44x = 393,189,005.18
  5. Step 5: Solve for x
    x = 393,189,005.18/20,126.44
  6. Step 6: Final answer
    x = 19,535.94

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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.