Home / 19,943.80-29,915.70-16,736.20

Finding the Fourth Proportional to 19,943.80, 29,915.70 and 16,736.20

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Solution

The fourth proportional to 19,943.80, 29,915.70 and 16,736.20 is: 25,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.80 : 29,915.70 = 16,736.20 : x
  2. Step 2: Convert to fraction form
    19,943.80/29,915.70 = 16,736.20/x
  3. Step 3: Cross multiply
    19,943.80x = 29,915.70 × 16,736.20
  4. Step 4: Simplify right side
    19,943.80x = 500,675,138.34
  5. Step 5: Solve for x
    x = 500,675,138.34/19,943.80
  6. Step 6: Final answer
    x = 25,104.30

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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.