Home / 28,947.84-39,949.86-16,202.49

Finding the Fourth Proportional to 28,947.84, 39,949.86 and 16,202.49

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Solution

The fourth proportional to 28,947.84, 39,949.86 and 16,202.49 is: 22,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.84 : 39,949.86 = 16,202.49 : x
  2. Step 2: Convert to fraction form
    28,947.84/39,949.86 = 16,202.49/x
  3. Step 3: Cross multiply
    28,947.84x = 39,949.86 × 16,202.49
  4. Step 4: Simplify right side
    28,947.84x = 647,287,207.15
  5. Step 5: Solve for x
    x = 647,287,207.15/28,947.84
  6. Step 6: Final answer
    x = 22,360.47

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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.