Home / 28,883.12-43,343.04-15,743.84

Finding the Fourth Proportional to 28,883.12, 43,343.04 and 15,743.84

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Solution

The fourth proportional to 28,883.12, 43,343.04 and 15,743.84 is: 23,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.12 : 43,343.04 = 15,743.84 : x
  2. Step 2: Convert to fraction form
    28,883.12/43,343.04 = 15,743.84/x
  3. Step 3: Cross multiply
    28,883.12x = 43,343.04 × 15,743.84
  4. Step 4: Simplify right side
    28,883.12x = 682,385,886.87
  5. Step 5: Solve for x
    x = 682,385,886.87/28,883.12
  6. Step 6: Final answer
    x = 23,625.77

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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.