Home / 27,635.69-38,138.28-15,701.06

Finding the Fourth Proportional to 27,635.69, 38,138.28 and 15,701.06

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Solution

The fourth proportional to 27,635.69, 38,138.28 and 15,701.06 is: 21,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.69 : 38,138.28 = 15,701.06 : x
  2. Step 2: Convert to fraction form
    27,635.69/38,138.28 = 15,701.06/x
  3. Step 3: Cross multiply
    27,635.69x = 38,138.28 × 15,701.06
  4. Step 4: Simplify right side
    27,635.69x = 598,811,231.89
  5. Step 5: Solve for x
    x = 598,811,231.89/27,635.69
  6. Step 6: Final answer
    x = 21,668.04

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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.