Home / 27,107.75-37,408.88-15,172.19

Finding the Fourth Proportional to 27,107.75, 37,408.88 and 15,172.19

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Solution

The fourth proportional to 27,107.75, 37,408.88 and 15,172.19 is: 20,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.75 : 37,408.88 = 15,172.19 : x
  2. Step 2: Convert to fraction form
    27,107.75/37,408.88 = 15,172.19/x
  3. Step 3: Cross multiply
    27,107.75x = 37,408.88 × 15,172.19
  4. Step 4: Simplify right side
    27,107.75x = 567,574,559.19
  5. Step 5: Solve for x
    x = 567,574,559.19/27,107.75
  6. Step 6: Final answer
    x = 20,937.73

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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.