Home / 20,531.10-28,334.03-12,033.39

Finding the Fourth Proportional to 20,531.10, 28,334.03 and 12,033.39

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Solution

The fourth proportional to 20,531.10, 28,334.03 and 12,033.39 is: 16,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531.10 : 28,334.03 = 12,033.39 : x
  2. Step 2: Convert to fraction form
    20,531.10/28,334.03 = 12,033.39/x
  3. Step 3: Cross multiply
    20,531.10x = 28,334.03 × 12,033.39
  4. Step 4: Simplify right side
    20,531.10x = 340,954,373.09
  5. Step 5: Solve for x
    x = 340,954,373.09/20,531.10
  6. Step 6: Final answer
    x = 16,606.73

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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.