Home / 28,020.86-42,033.71-8,030.43

Finding the Fourth Proportional to 28,020.86, 42,033.71 and 8,030.43

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Solution

The fourth proportional to 28,020.86, 42,033.71 and 8,030.43 is: 12,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020.86 : 42,033.71 = 8,030.43 : x
  2. Step 2: Convert to fraction form
    28,020.86/42,033.71 = 8,030.43/x
  3. Step 3: Cross multiply
    28,020.86x = 42,033.71 × 8,030.43
  4. Step 4: Simplify right side
    28,020.86x = 337,548,725.64
  5. Step 5: Solve for x
    x = 337,548,725.64/28,020.86
  6. Step 6: Final answer
    x = 12,046.34

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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.