Home / 28,722.56-43,084.04-10,002.56

Finding the Fourth Proportional to 28,722.56, 43,084.04 and 10,002.56

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Solution

The fourth proportional to 28,722.56, 43,084.04 and 10,002.56 is: 15,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.56 : 43,084.04 = 10,002.56 : x
  2. Step 2: Convert to fraction form
    28,722.56/43,084.04 = 10,002.56/x
  3. Step 3: Cross multiply
    28,722.56x = 43,084.04 × 10,002.56
  4. Step 4: Simplify right side
    28,722.56x = 430,950,695.14
  5. Step 5: Solve for x
    x = 430,950,695.14/28,722.56
  6. Step 6: Final answer
    x = 15,003.91

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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.