Home / 27,089.58-40,636.20-10,449.75

Finding the Fourth Proportional to 27,089.58, 40,636.20 and 10,449.75

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Solution

The fourth proportional to 27,089.58, 40,636.20 and 10,449.75 is: 15,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.58 : 40,636.20 = 10,449.75 : x
  2. Step 2: Convert to fraction form
    27,089.58/40,636.20 = 10,449.75/x
  3. Step 3: Cross multiply
    27,089.58x = 40,636.20 × 10,449.75
  4. Step 4: Simplify right side
    27,089.58x = 424,638,078.70
  5. Step 5: Solve for x
    x = 424,638,078.70/27,089.58
  6. Step 6: Final answer
    x = 15,675.33

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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.