Home / 27,968.99-38,597.97-15,222.29

Finding the Fourth Proportional to 27,968.99, 38,597.97 and 15,222.29

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Solution

The fourth proportional to 27,968.99, 38,597.97 and 15,222.29 is: 21,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.99 : 38,597.97 = 15,222.29 : x
  2. Step 2: Convert to fraction form
    27,968.99/38,597.97 = 15,222.29/x
  3. Step 3: Cross multiply
    27,968.99x = 38,597.97 × 15,222.29
  4. Step 4: Simplify right side
    27,968.99x = 587,549,299.76
  5. Step 5: Solve for x
    x = 587,549,299.76/27,968.99
  6. Step 6: Final answer
    x = 21,007.17

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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.