Home / 14,427.80-21,642.24-4,039.28

Finding the Fourth Proportional to 14,427.80, 21,642.24 and 4,039.28

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Solution

The fourth proportional to 14,427.80, 21,642.24 and 4,039.28 is: 6,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.80 : 21,642.24 = 4,039.28 : x
  2. Step 2: Convert to fraction form
    14,427.80/21,642.24 = 4,039.28/x
  3. Step 3: Cross multiply
    14,427.80x = 21,642.24 × 4,039.28
  4. Step 4: Simplify right side
    14,427.80x = 87,419,067.19
  5. Step 5: Solve for x
    x = 87,419,067.19/14,427.80
  6. Step 6: Final answer
    x = 6,059.07

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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.