Home / 28,961.83-39,964.04-16,213.24

Finding the Fourth Proportional to 28,961.83, 39,964.04 and 16,213.24

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Solution

The fourth proportional to 28,961.83, 39,964.04 and 16,213.24 is: 22,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.83 : 39,964.04 = 16,213.24 : x
  2. Step 2: Convert to fraction form
    28,961.83/39,964.04 = 16,213.24/x
  3. Step 3: Cross multiply
    28,961.83x = 39,964.04 × 16,213.24
  4. Step 4: Simplify right side
    28,961.83x = 647,946,490.82
  5. Step 5: Solve for x
    x = 647,946,490.82/28,961.83
  6. Step 6: Final answer
    x = 22,372.43

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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.