Home / 28,785.65-39,734.17-16,852.84

Finding the Fourth Proportional to 28,785.65, 39,734.17 and 16,852.84

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Solution

The fourth proportional to 28,785.65, 39,734.17 and 16,852.84 is: 23,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.65 : 39,734.17 = 16,852.84 : x
  2. Step 2: Convert to fraction form
    28,785.65/39,734.17 = 16,852.84/x
  3. Step 3: Cross multiply
    28,785.65x = 39,734.17 × 16,852.84
  4. Step 4: Simplify right side
    28,785.65x = 669,633,609.54
  5. Step 5: Solve for x
    x = 669,633,609.54/28,785.65
  6. Step 6: Final answer
    x = 23,262.76

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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.