Home / 28,729.30-43,092.50-10,003.54

Finding the Fourth Proportional to 28,729.30, 43,092.50 and 10,003.54

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Solution

The fourth proportional to 28,729.30, 43,092.50 and 10,003.54 is: 15,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.30 : 43,092.50 = 10,003.54 : x
  2. Step 2: Convert to fraction form
    28,729.30/43,092.50 = 10,003.54/x
  3. Step 3: Cross multiply
    28,729.30x = 43,092.50 × 10,003.54
  4. Step 4: Simplify right side
    28,729.30x = 431,077,547.45
  5. Step 5: Solve for x
    x = 431,077,547.45/28,729.30
  6. Step 6: Final answer
    x = 15,004.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.