Home / 28,859.52-39,827.25-16,284

Finding the Fourth Proportional to 28,859.52, 39,827.25 and 16,284

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Solution

The fourth proportional to 28,859.52, 39,827.25 and 16,284 is: 22,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.52 : 39,827.25 = 16,284 : x
  2. Step 2: Convert to fraction form
    28,859.52/39,827.25 = 16,284/x
  3. Step 3: Cross multiply
    28,859.52x = 39,827.25 × 16,284
  4. Step 4: Simplify right side
    28,859.52x = 648,546,939
  5. Step 5: Solve for x
    x = 648,546,939/28,859.52
  6. Step 6: Final answer
    x = 22,472.55

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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.