Home / 20,528.29-30,780.06-8,033.41

Finding the Fourth Proportional to 20,528.29, 30,780.06 and 8,033.41

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Solution

The fourth proportional to 20,528.29, 30,780.06 and 8,033.41 is: 12,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.29 : 30,780.06 = 8,033.41 : x
  2. Step 2: Convert to fraction form
    20,528.29/30,780.06 = 8,033.41/x
  3. Step 3: Cross multiply
    20,528.29x = 30,780.06 × 8,033.41
  4. Step 4: Simplify right side
    20,528.29x = 247,268,841.80
  5. Step 5: Solve for x
    x = 247,268,841.80/20,528.29
  6. Step 6: Final answer
    x = 12,045.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.