Home / 28,936.80-39,933.09-17,000.64

Finding the Fourth Proportional to 28,936.80, 39,933.09 and 17,000.64

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Solution

The fourth proportional to 28,936.80, 39,933.09 and 17,000.64 is: 23,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.80 : 39,933.09 = 17,000.64 : x
  2. Step 2: Convert to fraction form
    28,936.80/39,933.09 = 17,000.64/x
  3. Step 3: Cross multiply
    28,936.80x = 39,933.09 × 17,000.64
  4. Step 4: Simplify right side
    28,936.80x = 678,888,087.18
  5. Step 5: Solve for x
    x = 678,888,087.18/28,936.80
  6. Step 6: Final answer
    x = 23,461.06

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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.