Home / 22,608.72-33,864.48-13,815.36

Finding the Fourth Proportional to 22,608.72, 33,864.48 and 13,815.36

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Solution

The fourth proportional to 22,608.72, 33,864.48 and 13,815.36 is: 20,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.72 : 33,864.48 = 13,815.36 : x
  2. Step 2: Convert to fraction form
    22,608.72/33,864.48 = 13,815.36/x
  3. Step 3: Cross multiply
    22,608.72x = 33,864.48 × 13,815.36
  4. Step 4: Simplify right side
    22,608.72x = 467,849,982.41
  5. Step 5: Solve for x
    x = 467,849,982.41/22,608.72
  6. Step 6: Final answer
    x = 20,693.34

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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.