Home / 28,982.10-43,482.48-13,192.78

Finding the Fourth Proportional to 28,982.10, 43,482.48 and 13,192.78

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Solution

The fourth proportional to 28,982.10, 43,482.48 and 13,192.78 is: 19,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.10 : 43,482.48 = 13,192.78 : x
  2. Step 2: Convert to fraction form
    28,982.10/43,482.48 = 13,192.78/x
  3. Step 3: Cross multiply
    28,982.10x = 43,482.48 × 13,192.78
  4. Step 4: Simplify right side
    28,982.10x = 573,654,792.49
  5. Step 5: Solve for x
    x = 573,654,792.49/28,982.10
  6. Step 6: Final answer
    x = 19,793.42

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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.