Home / 27,322.41-37,704.56-15,385.89

Finding the Fourth Proportional to 27,322.41, 37,704.56 and 15,385.89

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Solution

The fourth proportional to 27,322.41, 37,704.56 and 15,385.89 is: 21,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.41 : 37,704.56 = 15,385.89 : x
  2. Step 2: Convert to fraction form
    27,322.41/37,704.56 = 15,385.89/x
  3. Step 3: Cross multiply
    27,322.41x = 37,704.56 × 15,385.89
  4. Step 4: Simplify right side
    27,322.41x = 580,118,135.73
  5. Step 5: Solve for x
    x = 580,118,135.73/27,322.41
  6. Step 6: Final answer
    x = 21,232.32

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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.