Home / 27,878.35-38,454.62-16,539.82

Finding the Fourth Proportional to 27,878.35, 38,454.62 and 16,539.82

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Solution

The fourth proportional to 27,878.35, 38,454.62 and 16,539.82 is: 22,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.35 : 38,454.62 = 16,539.82 : x
  2. Step 2: Convert to fraction form
    27,878.35/38,454.62 = 16,539.82/x
  3. Step 3: Cross multiply
    27,878.35x = 38,454.62 × 16,539.82
  4. Step 4: Simplify right side
    27,878.35x = 636,032,492.97
  5. Step 5: Solve for x
    x = 636,032,492.97/27,878.35
  6. Step 6: Final answer
    x = 22,814.57

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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.