Home / 20,584.95-28,406.86-11,632.26

Finding the Fourth Proportional to 20,584.95, 28,406.86 and 11,632.26

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Solution

The fourth proportional to 20,584.95, 28,406.86 and 11,632.26 is: 16,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.95 : 28,406.86 = 11,632.26 : x
  2. Step 2: Convert to fraction form
    20,584.95/28,406.86 = 11,632.26/x
  3. Step 3: Cross multiply
    20,584.95x = 28,406.86 × 11,632.26
  4. Step 4: Simplify right side
    20,584.95x = 330,435,981.30
  5. Step 5: Solve for x
    x = 330,435,981.30/20,584.95
  6. Step 6: Final answer
    x = 16,052.31

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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.