Home / 28,706.24-43,064.52-11,829.85

Finding the Fourth Proportional to 28,706.24, 43,064.52 and 11,829.85

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Solution

The fourth proportional to 28,706.24, 43,064.52 and 11,829.85 is: 17,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.24 : 43,064.52 = 11,829.85 : x
  2. Step 2: Convert to fraction form
    28,706.24/43,064.52 = 11,829.85/x
  3. Step 3: Cross multiply
    28,706.24x = 43,064.52 × 11,829.85
  4. Step 4: Simplify right side
    28,706.24x = 509,446,668.22
  5. Step 5: Solve for x
    x = 509,446,668.22/28,706.24
  6. Step 6: Final answer
    x = 17,746.90

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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.