Home / 28,701.84-43,063.80-11,184.08

Finding the Fourth Proportional to 28,701.84, 43,063.80 and 11,184.08

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Solution

The fourth proportional to 28,701.84, 43,063.80 and 11,184.08 is: 16,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.84 : 43,063.80 = 11,184.08 : x
  2. Step 2: Convert to fraction form
    28,701.84/43,063.80 = 11,184.08/x
  3. Step 3: Cross multiply
    28,701.84x = 43,063.80 × 11,184.08
  4. Step 4: Simplify right side
    28,701.84x = 481,628,984.30
  5. Step 5: Solve for x
    x = 481,628,984.30/28,701.84
  6. Step 6: Final answer
    x = 16,780.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.