Home / 28,043.24-42,064.75-11,399.36

Finding the Fourth Proportional to 28,043.24, 42,064.75 and 11,399.36

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Solution

The fourth proportional to 28,043.24, 42,064.75 and 11,399.36 is: 17,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.24 : 42,064.75 = 11,399.36 : x
  2. Step 2: Convert to fraction form
    28,043.24/42,064.75 = 11,399.36/x
  3. Step 3: Cross multiply
    28,043.24x = 42,064.75 × 11,399.36
  4. Step 4: Simplify right side
    28,043.24x = 479,511,171.56
  5. Step 5: Solve for x
    x = 479,511,171.56/28,043.24
  6. Step 6: Final answer
    x = 17,098.99

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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.