Home / 20,722.33-28,595.77-11,768.59

Finding the Fourth Proportional to 20,722.33, 28,595.77 and 11,768.59

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Solution

The fourth proportional to 20,722.33, 28,595.77 and 11,768.59 is: 16,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.33 : 28,595.77 = 11,768.59 : x
  2. Step 2: Convert to fraction form
    20,722.33/28,595.77 = 11,768.59/x
  3. Step 3: Cross multiply
    20,722.33x = 28,595.77 × 11,768.59
  4. Step 4: Simplify right side
    20,722.33x = 336,531,892.86
  5. Step 5: Solve for x
    x = 336,531,892.86/20,722.33
  6. Step 6: Final answer
    x = 16,240.06

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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.