Home / 28,107.96-38,787.82-16,163.16

Finding the Fourth Proportional to 28,107.96, 38,787.82 and 16,163.16

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Solution

The fourth proportional to 28,107.96, 38,787.82 and 16,163.16 is: 22,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.96 : 38,787.82 = 16,163.16 : x
  2. Step 2: Convert to fraction form
    28,107.96/38,787.82 = 16,163.16/x
  3. Step 3: Cross multiply
    28,107.96x = 38,787.82 × 16,163.16
  4. Step 4: Simplify right side
    28,107.96x = 626,933,740.71
  5. Step 5: Solve for x
    x = 626,933,740.71/28,107.96
  6. Step 6: Final answer
    x = 22,304.49

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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.