Home / 28,664.20-42,996.30-27,133.30

Finding the Fourth Proportional to 28,664.20, 42,996.30 and 27,133.30

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Solution

The fourth proportional to 28,664.20, 42,996.30 and 27,133.30 is: 40,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.20 : 42,996.30 = 27,133.30 : x
  2. Step 2: Convert to fraction form
    28,664.20/42,996.30 = 27,133.30/x
  3. Step 3: Cross multiply
    28,664.20x = 42,996.30 × 27,133.30
  4. Step 4: Simplify right side
    28,664.20x = 1,166,631,506.79
  5. Step 5: Solve for x
    x = 1,166,631,506.79/28,664.20
  6. Step 6: Final answer
    x = 40,699.95

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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.