Home / 27,675.57-38,192.07-15,738.91

Finding the Fourth Proportional to 27,675.57, 38,192.07 and 15,738.91

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Solution

The fourth proportional to 27,675.57, 38,192.07 and 15,738.91 is: 21,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.57 : 38,192.07 = 15,738.91 : x
  2. Step 2: Convert to fraction form
    27,675.57/38,192.07 = 15,738.91/x
  3. Step 3: Cross multiply
    27,675.57x = 38,192.07 × 15,738.91
  4. Step 4: Simplify right side
    27,675.57x = 601,101,515.98
  5. Step 5: Solve for x
    x = 601,101,515.98/27,675.57
  6. Step 6: Final answer
    x = 21,719.57

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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.