Home / 28,072.54-42,084.05-11,446.48

Finding the Fourth Proportional to 28,072.54, 42,084.05 and 11,446.48

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Solution

The fourth proportional to 28,072.54, 42,084.05 and 11,446.48 is: 17,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.54 : 42,084.05 = 11,446.48 : x
  2. Step 2: Convert to fraction form
    28,072.54/42,084.05 = 11,446.48/x
  3. Step 3: Cross multiply
    28,072.54x = 42,084.05 × 11,446.48
  4. Step 4: Simplify right side
    28,072.54x = 481,714,074.20
  5. Step 5: Solve for x
    x = 481,714,074.20/28,072.54
  6. Step 6: Final answer
    x = 17,159.62

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1.5x scale

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.