Home / 27,433.88-37,858.30-15,334.66

Finding the Fourth Proportional to 27,433.88, 37,858.30 and 15,334.66

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Solution

The fourth proportional to 27,433.88, 37,858.30 and 15,334.66 is: 21,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,433.88 : 37,858.30 = 15,334.66 : x
  2. Step 2: Convert to fraction form
    27,433.88/37,858.30 = 15,334.66/x
  3. Step 3: Cross multiply
    27,433.88x = 37,858.30 × 15,334.66
  4. Step 4: Simplify right side
    27,433.88x = 580,544,158.68
  5. Step 5: Solve for x
    x = 580,544,158.68/27,433.88
  6. Step 6: Final answer
    x = 21,161.58

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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.