Home / 28,803.96-39,767.52-22,076.88

Finding the Fourth Proportional to 28,803.96, 39,767.52 and 22,076.88

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Solution

The fourth proportional to 28,803.96, 39,767.52 and 22,076.88 is: 30,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.96 : 39,767.52 = 22,076.88 : x
  2. Step 2: Convert to fraction form
    28,803.96/39,767.52 = 22,076.88/x
  3. Step 3: Cross multiply
    28,803.96x = 39,767.52 × 22,076.88
  4. Step 4: Simplify right side
    28,803.96x = 877,942,766.94
  5. Step 5: Solve for x
    x = 877,942,766.94/28,803.96
  6. Step 6: Final answer
    x = 30,479.93

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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.