Home / 22,728.61-33,973.25-19,743.40

Finding the Fourth Proportional to 22,728.61, 33,973.25 and 19,743.40

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Solution

The fourth proportional to 22,728.61, 33,973.25 and 19,743.40 is: 29,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.61 : 33,973.25 = 19,743.40 : x
  2. Step 2: Convert to fraction form
    22,728.61/33,973.25 = 19,743.40/x
  3. Step 3: Cross multiply
    22,728.61x = 33,973.25 × 19,743.40
  4. Step 4: Simplify right side
    22,728.61x = 670,747,464.05
  5. Step 5: Solve for x
    x = 670,747,464.05/22,728.61
  6. Step 6: Final answer
    x = 29,511.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.