Home / 27,623.34-38,120.20-15,048.09

Finding the Fourth Proportional to 27,623.34, 38,120.20 and 15,048.09

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Solution

The fourth proportional to 27,623.34, 38,120.20 and 15,048.09 is: 20,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.34 : 38,120.20 = 15,048.09 : x
  2. Step 2: Convert to fraction form
    27,623.34/38,120.20 = 15,048.09/x
  3. Step 3: Cross multiply
    27,623.34x = 38,120.20 × 15,048.09
  4. Step 4: Simplify right side
    27,623.34x = 573,636,019.85
  5. Step 5: Solve for x
    x = 573,636,019.85/27,623.34
  6. Step 6: Final answer
    x = 20,766.36

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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.