Home / 20,677.23-28,533.70-11,725.33

Finding the Fourth Proportional to 20,677.23, 28,533.70 and 11,725.33

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Solution

The fourth proportional to 20,677.23, 28,533.70 and 11,725.33 is: 16,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.23 : 28,533.70 = 11,725.33 : x
  2. Step 2: Convert to fraction form
    20,677.23/28,533.70 = 11,725.33/x
  3. Step 3: Cross multiply
    20,677.23x = 28,533.70 × 11,725.33
  4. Step 4: Simplify right side
    20,677.23x = 334,567,048.62
  5. Step 5: Solve for x
    x = 334,567,048.62/20,677.23
  6. Step 6: Final answer
    x = 16,180.46

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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.