Home / 28,914.84-39,902.04-16,976.07

Finding the Fourth Proportional to 28,914.84, 39,902.04 and 16,976.07

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Solution

The fourth proportional to 28,914.84, 39,902.04 and 16,976.07 is: 23,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.84 : 39,902.04 = 16,976.07 : x
  2. Step 2: Convert to fraction form
    28,914.84/39,902.04 = 16,976.07/x
  3. Step 3: Cross multiply
    28,914.84x = 39,902.04 × 16,976.07
  4. Step 4: Simplify right side
    28,914.84x = 677,379,824.18
  5. Step 5: Solve for x
    x = 677,379,824.18/28,914.84
  6. Step 6: Final answer
    x = 23,426.72

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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.