Home / 27,131.52-37,439.46-15,801.09

Finding the Fourth Proportional to 27,131.52, 37,439.46 and 15,801.09

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Solution

The fourth proportional to 27,131.52, 37,439.46 and 15,801.09 is: 21,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.52 : 37,439.46 = 15,801.09 : x
  2. Step 2: Convert to fraction form
    27,131.52/37,439.46 = 15,801.09/x
  3. Step 3: Cross multiply
    27,131.52x = 37,439.46 × 15,801.09
  4. Step 4: Simplify right side
    27,131.52x = 591,584,277.01
  5. Step 5: Solve for x
    x = 591,584,277.01/27,131.52
  6. Step 6: Final answer
    x = 21,804.32

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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.