Home / 27,449.46-37,880.55-15,512.94

Finding the Fourth Proportional to 27,449.46, 37,880.55 and 15,512.94

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Solution

The fourth proportional to 27,449.46, 37,880.55 and 15,512.94 is: 21,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.46 : 37,880.55 = 15,512.94 : x
  2. Step 2: Convert to fraction form
    27,449.46/37,880.55 = 15,512.94/x
  3. Step 3: Cross multiply
    27,449.46x = 37,880.55 × 15,512.94
  4. Step 4: Simplify right side
    27,449.46x = 587,638,699.32
  5. Step 5: Solve for x
    x = 587,638,699.32/27,449.46
  6. Step 6: Final answer
    x = 21,408.02

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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.