Home / 20,584.64-28,407.78-11,632.52

Finding the Fourth Proportional to 20,584.64, 28,407.78 and 11,632.52

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Solution

The fourth proportional to 20,584.64, 28,407.78 and 11,632.52 is: 16,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.64 : 28,407.78 = 11,632.52 : x
  2. Step 2: Convert to fraction form
    20,584.64/28,407.78 = 11,632.52/x
  3. Step 3: Cross multiply
    20,584.64x = 28,407.78 × 11,632.52
  4. Step 4: Simplify right side
    20,584.64x = 330,454,069.01
  5. Step 5: Solve for x
    x = 330,454,069.01/20,584.64
  6. Step 6: Final answer
    x = 16,053.43

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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.