Home / 19,940.10-29,954.70-16,659.60

Finding the Fourth Proportional to 19,940.10, 29,954.70 and 16,659.60

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Solution

The fourth proportional to 19,940.10, 29,954.70 and 16,659.60 is: 25,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.10 : 29,954.70 = 16,659.60 : x
  2. Step 2: Convert to fraction form
    19,940.10/29,954.70 = 16,659.60/x
  3. Step 3: Cross multiply
    19,940.10x = 29,954.70 × 16,659.60
  4. Step 4: Simplify right side
    19,940.10x = 499,033,320.12
  5. Step 5: Solve for x
    x = 499,033,320.12/19,940.10
  6. Step 6: Final answer
    x = 25,026.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.