Home / 27,435.85-37,860.93-15,336.28

Finding the Fourth Proportional to 27,435.85, 37,860.93 and 15,336.28

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Solution

The fourth proportional to 27,435.85, 37,860.93 and 15,336.28 is: 21,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.85 : 37,860.93 = 15,336.28 : x
  2. Step 2: Convert to fraction form
    27,435.85/37,860.93 = 15,336.28/x
  3. Step 3: Cross multiply
    27,435.85x = 37,860.93 × 15,336.28
  4. Step 4: Simplify right side
    27,435.85x = 580,645,634.24
  5. Step 5: Solve for x
    x = 580,645,634.24/27,435.85
  6. Step 6: Final answer
    x = 21,163.76

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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.