Home / 28,020.73-42,001.93-10,482.97

Finding the Fourth Proportional to 28,020.73, 42,001.93 and 10,482.97

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Solution

The fourth proportional to 28,020.73, 42,001.93 and 10,482.97 is: 15,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020.73 : 42,001.93 = 10,482.97 : x
  2. Step 2: Convert to fraction form
    28,020.73/42,001.93 = 10,482.97/x
  3. Step 3: Cross multiply
    28,020.73x = 42,001.93 × 10,482.97
  4. Step 4: Simplify right side
    28,020.73x = 440,304,972.13
  5. Step 5: Solve for x
    x = 440,304,972.13/28,020.73
  6. Step 6: Final answer
    x = 15,713.54

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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.