Home / 28,662.28-39,554.09-16,561.79

Finding the Fourth Proportional to 28,662.28, 39,554.09 and 16,561.79

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Solution

The fourth proportional to 28,662.28, 39,554.09 and 16,561.79 is: 22,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.28 : 39,554.09 = 16,561.79 : x
  2. Step 2: Convert to fraction form
    28,662.28/39,554.09 = 16,561.79/x
  3. Step 3: Cross multiply
    28,662.28x = 39,554.09 × 16,561.79
  4. Step 4: Simplify right side
    28,662.28x = 655,086,532.22
  5. Step 5: Solve for x
    x = 655,086,532.22/28,662.28
  6. Step 6: Final answer
    x = 22,855.35

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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.