Home / 28,416.43-42,625.46-8,694.55

Finding the Fourth Proportional to 28,416.43, 42,625.46 and 8,694.55

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Solution

The fourth proportional to 28,416.43, 42,625.46 and 8,694.55 is: 13,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.43 : 42,625.46 = 8,694.55 : x
  2. Step 2: Convert to fraction form
    28,416.43/42,625.46 = 8,694.55/x
  3. Step 3: Cross multiply
    28,416.43x = 42,625.46 × 8,694.55
  4. Step 4: Simplify right side
    28,416.43x = 370,609,149.77
  5. Step 5: Solve for x
    x = 370,609,149.77/28,416.43
  6. Step 6: Final answer
    x = 13,042.07

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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.