Home / 27,043.72-37,316.66-15,105.56

Finding the Fourth Proportional to 27,043.72, 37,316.66 and 15,105.56

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Solution

The fourth proportional to 27,043.72, 37,316.66 and 15,105.56 is: 20,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.72 : 37,316.66 = 15,105.56 : x
  2. Step 2: Convert to fraction form
    27,043.72/37,316.66 = 15,105.56/x
  3. Step 3: Cross multiply
    27,043.72x = 37,316.66 × 15,105.56
  4. Step 4: Simplify right side
    27,043.72x = 563,689,046.63
  5. Step 5: Solve for x
    x = 563,689,046.63/27,043.72
  6. Step 6: Final answer
    x = 20,843.62

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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.