Home / 28,604.84-39,467.90-16,661

Finding the Fourth Proportional to 28,604.84, 39,467.90 and 16,661

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Solution

The fourth proportional to 28,604.84, 39,467.90 and 16,661 is: 22,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.84 : 39,467.90 = 16,661 : x
  2. Step 2: Convert to fraction form
    28,604.84/39,467.90 = 16,661/x
  3. Step 3: Cross multiply
    28,604.84x = 39,467.90 × 16,661
  4. Step 4: Simplify right side
    28,604.84x = 657,574,681.90
  5. Step 5: Solve for x
    x = 657,574,681.90/28,604.84
  6. Step 6: Final answer
    x = 22,988.23

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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.