Home / 28,089.30-42,133.22-11,449.26

Finding the Fourth Proportional to 28,089.30, 42,133.22 and 11,449.26

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Solution

The fourth proportional to 28,089.30, 42,133.22 and 11,449.26 is: 17,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.30 : 42,133.22 = 11,449.26 : x
  2. Step 2: Convert to fraction form
    28,089.30/42,133.22 = 11,449.26/x
  3. Step 3: Cross multiply
    28,089.30x = 42,133.22 × 11,449.26
  4. Step 4: Simplify right side
    28,089.30x = 482,394,190.42
  5. Step 5: Solve for x
    x = 482,394,190.42/28,089.30
  6. Step 6: Final answer
    x = 17,173.59

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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.