Home / 27,043.55-37,316.39-15,105.36

Finding the Fourth Proportional to 27,043.55, 37,316.39 and 15,105.36

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Solution

The fourth proportional to 27,043.55, 37,316.39 and 15,105.36 is: 20,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.55 : 37,316.39 = 15,105.36 : x
  2. Step 2: Convert to fraction form
    27,043.55/37,316.39 = 15,105.36/x
  3. Step 3: Cross multiply
    27,043.55x = 37,316.39 × 15,105.36
  4. Step 4: Simplify right side
    27,043.55x = 563,677,429.32
  5. Step 5: Solve for x
    x = 563,677,429.32/27,043.55
  6. Step 6: Final answer
    x = 20,843.33

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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.