Home / 27,968.34-38,596.48-15,221.62

Finding the Fourth Proportional to 27,968.34, 38,596.48 and 15,221.62

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Solution

The fourth proportional to 27,968.34, 38,596.48 and 15,221.62 is: 21,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.34 : 38,596.48 = 15,221.62 : x
  2. Step 2: Convert to fraction form
    27,968.34/38,596.48 = 15,221.62/x
  3. Step 3: Cross multiply
    27,968.34x = 38,596.48 × 15,221.62
  4. Step 4: Simplify right side
    27,968.34x = 587,500,951.90
  5. Step 5: Solve for x
    x = 587,500,951.90/27,968.34
  6. Step 6: Final answer
    x = 21,005.93

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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.