Home / 28,714.69-39,629.82-17,384.61

Finding the Fourth Proportional to 28,714.69, 39,629.82 and 17,384.61

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Solution

The fourth proportional to 28,714.69, 39,629.82 and 17,384.61 is: 23,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.69 : 39,629.82 = 17,384.61 : x
  2. Step 2: Convert to fraction form
    28,714.69/39,629.82 = 17,384.61/x
  3. Step 3: Cross multiply
    28,714.69x = 39,629.82 × 17,384.61
  4. Step 4: Simplify right side
    28,714.69x = 688,948,965.07
  5. Step 5: Solve for x
    x = 688,948,965.07/28,714.69
  6. Step 6: Final answer
    x = 23,992.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.