Home / 27,968.28-38,596.20-15,393.84

Finding the Fourth Proportional to 27,968.28, 38,596.20 and 15,393.84

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Solution

The fourth proportional to 27,968.28, 38,596.20 and 15,393.84 is: 21,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.28 : 38,596.20 = 15,393.84 : x
  2. Step 2: Convert to fraction form
    27,968.28/38,596.20 = 15,393.84/x
  3. Step 3: Cross multiply
    27,968.28x = 38,596.20 × 15,393.84
  4. Step 4: Simplify right side
    27,968.28x = 594,143,727.41
  5. Step 5: Solve for x
    x = 594,143,727.41/27,968.28
  6. Step 6: Final answer
    x = 21,243.48

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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.