Home / 28,852.44-39,815.58-16,278.36

Finding the Fourth Proportional to 28,852.44, 39,815.58 and 16,278.36

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Solution

The fourth proportional to 28,852.44, 39,815.58 and 16,278.36 is: 22,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.44 : 39,815.58 = 16,278.36 : x
  2. Step 2: Convert to fraction form
    28,852.44/39,815.58 = 16,278.36/x
  3. Step 3: Cross multiply
    28,852.44x = 39,815.58 × 16,278.36
  4. Step 4: Simplify right side
    28,852.44x = 648,132,344.85
  5. Step 5: Solve for x
    x = 648,132,344.85/28,852.44
  6. Step 6: Final answer
    x = 22,463.69

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1.5x scale

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.