Home / 27,107.56-37,409.16-15,172.96

Finding the Fourth Proportional to 27,107.56, 37,409.16 and 15,172.96

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Solution

The fourth proportional to 27,107.56, 37,409.16 and 15,172.96 is: 20,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.56 : 37,409.16 = 15,172.96 : x
  2. Step 2: Convert to fraction form
    27,107.56/37,409.16 = 15,172.96/x
  3. Step 3: Cross multiply
    27,107.56x = 37,409.16 × 15,172.96
  4. Step 4: Simplify right side
    27,107.56x = 567,607,688.31
  5. Step 5: Solve for x
    x = 567,607,688.31/27,107.56
  6. Step 6: Final answer
    x = 20,939.09

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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.