Home / 20,584.83-28,406.69-11,632.14

Finding the Fourth Proportional to 20,584.83, 28,406.69 and 11,632.14

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Solution

The fourth proportional to 20,584.83, 28,406.69 and 11,632.14 is: 16,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.83 : 28,406.69 = 11,632.14 : x
  2. Step 2: Convert to fraction form
    20,584.83/28,406.69 = 11,632.14/x
  3. Step 3: Cross multiply
    20,584.83x = 28,406.69 × 11,632.14
  4. Step 4: Simplify right side
    20,584.83x = 330,430,536.86
  5. Step 5: Solve for x
    x = 330,430,536.86/20,584.83
  6. Step 6: Final answer
    x = 16,052.14

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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.