Home / 28,703.24-43,057.32-7,926.74

Finding the Fourth Proportional to 28,703.24, 43,057.32 and 7,926.74

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Solution

The fourth proportional to 28,703.24, 43,057.32 and 7,926.74 is: 11,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.24 : 43,057.32 = 7,926.74 : x
  2. Step 2: Convert to fraction form
    28,703.24/43,057.32 = 7,926.74/x
  3. Step 3: Cross multiply
    28,703.24x = 43,057.32 × 7,926.74
  4. Step 4: Simplify right side
    28,703.24x = 341,304,180.74
  5. Step 5: Solve for x
    x = 341,304,180.74/28,703.24
  6. Step 6: Final answer
    x = 11,890.79

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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.