Home / 20,584.71-28,407.42-11,632.28

Finding the Fourth Proportional to 20,584.71, 28,407.42 and 11,632.28

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Solution

The fourth proportional to 20,584.71, 28,407.42 and 11,632.28 is: 16,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.71 : 28,407.42 = 11,632.28 : x
  2. Step 2: Convert to fraction form
    20,584.71/28,407.42 = 11,632.28/x
  3. Step 3: Cross multiply
    20,584.71x = 28,407.42 × 11,632.28
  4. Step 4: Simplify right side
    20,584.71x = 330,442,921.48
  5. Step 5: Solve for x
    x = 330,442,921.48/20,584.71
  6. Step 6: Final answer
    x = 16,052.83

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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.