Home / 28,712.44-43,065.24-7,654.06

Finding the Fourth Proportional to 28,712.44, 43,065.24 and 7,654.06

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Solution

The fourth proportional to 28,712.44, 43,065.24 and 7,654.06 is: 11,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712.44 : 43,065.24 = 7,654.06 : x
  2. Step 2: Convert to fraction form
    28,712.44/43,065.24 = 7,654.06/x
  3. Step 3: Cross multiply
    28,712.44x = 43,065.24 × 7,654.06
  4. Step 4: Simplify right side
    28,712.44x = 329,623,956.00
  5. Step 5: Solve for x
    x = 329,623,956.00/28,712.44
  6. Step 6: Final answer
    x = 11,480.18

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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.