Home / 28,318.08-39,072.96-16,995.84

Finding the Fourth Proportional to 28,318.08, 39,072.96 and 16,995.84

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Solution

The fourth proportional to 28,318.08, 39,072.96 and 16,995.84 is: 23,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.08 : 39,072.96 = 16,995.84 : x
  2. Step 2: Convert to fraction form
    28,318.08/39,072.96 = 16,995.84/x
  3. Step 3: Cross multiply
    28,318.08x = 39,072.96 × 16,995.84
  4. Step 4: Simplify right side
    28,318.08x = 664,077,776.49
  5. Step 5: Solve for x
    x = 664,077,776.49/28,318.08
  6. Step 6: Final answer
    x = 23,450.66

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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.