Home / 28,292.97-42,443.86-8,566.84

Finding the Fourth Proportional to 28,292.97, 42,443.86 and 8,566.84

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Solution

The fourth proportional to 28,292.97, 42,443.86 and 8,566.84 is: 12,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.97 : 42,443.86 = 8,566.84 : x
  2. Step 2: Convert to fraction form
    28,292.97/42,443.86 = 8,566.84/x
  3. Step 3: Cross multiply
    28,292.97x = 42,443.86 × 8,566.84
  4. Step 4: Simplify right side
    28,292.97x = 363,609,757.60
  5. Step 5: Solve for x
    x = 363,609,757.60/28,292.97
  6. Step 6: Final answer
    x = 12,851.59

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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.