Home / 27,107.88-37,409.06-15,172.32

Finding the Fourth Proportional to 27,107.88, 37,409.06 and 15,172.32

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Solution

The fourth proportional to 27,107.88, 37,409.06 and 15,172.32 is: 20,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.88 : 37,409.06 = 15,172.32 : x
  2. Step 2: Convert to fraction form
    27,107.88/37,409.06 = 15,172.32/x
  3. Step 3: Cross multiply
    27,107.88x = 37,409.06 × 15,172.32
  4. Step 4: Simplify right side
    27,107.88x = 567,582,229.22
  5. Step 5: Solve for x
    x = 567,582,229.22/27,107.88
  6. Step 6: Final answer
    x = 20,937.91

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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.