Home / 28,673.80-39,562.92-16,730.32

Finding the Fourth Proportional to 28,673.80, 39,562.92 and 16,730.32

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Solution

The fourth proportional to 28,673.80, 39,562.92 and 16,730.32 is: 23,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.80 : 39,562.92 = 16,730.32 : x
  2. Step 2: Convert to fraction form
    28,673.80/39,562.92 = 16,730.32/x
  3. Step 3: Cross multiply
    28,673.80x = 39,562.92 × 16,730.32
  4. Step 4: Simplify right side
    28,673.80x = 661,900,311.73
  5. Step 5: Solve for x
    x = 661,900,311.73/28,673.80
  6. Step 6: Final answer
    x = 23,083.80

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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.