Home / 19,289.14-28,937.32-8,759.88

Finding the Fourth Proportional to 19,289.14, 28,937.32 and 8,759.88

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Solution

The fourth proportional to 19,289.14, 28,937.32 and 8,759.88 is: 13,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.14 : 28,937.32 = 8,759.88 : x
  2. Step 2: Convert to fraction form
    19,289.14/28,937.32 = 8,759.88/x
  3. Step 3: Cross multiply
    19,289.14x = 28,937.32 × 8,759.88
  4. Step 4: Simplify right side
    19,289.14x = 253,487,450.72
  5. Step 5: Solve for x
    x = 253,487,450.72/19,289.14
  6. Step 6: Final answer
    x = 13,141.46

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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.