Home / 28,763.04-43,150-11,231.76

Finding the Fourth Proportional to 28,763.04, 43,150 and 11,231.76

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Solution

The fourth proportional to 28,763.04, 43,150 and 11,231.76 is: 16,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.04 : 43,150 = 11,231.76 : x
  2. Step 2: Convert to fraction form
    28,763.04/43,150 = 11,231.76/x
  3. Step 3: Cross multiply
    28,763.04x = 43,150 × 11,231.76
  4. Step 4: Simplify right side
    28,763.04x = 484,650,444
  5. Step 5: Solve for x
    x = 484,650,444/28,763.04
  6. Step 6: Final answer
    x = 16,849.76

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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.