Home / 28,638.63-39,525.98-16,067.43

Finding the Fourth Proportional to 28,638.63, 39,525.98 and 16,067.43

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Solution

The fourth proportional to 28,638.63, 39,525.98 and 16,067.43 is: 22,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.63 : 39,525.98 = 16,067.43 : x
  2. Step 2: Convert to fraction form
    28,638.63/39,525.98 = 16,067.43/x
  3. Step 3: Cross multiply
    28,638.63x = 39,525.98 × 16,067.43
  4. Step 4: Simplify right side
    28,638.63x = 635,080,836.49
  5. Step 5: Solve for x
    x = 635,080,836.49/28,638.63
  6. Step 6: Final answer
    x = 22,175.67

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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.