Home / 28,334.75-42,503.67-8,613.41

Finding the Fourth Proportional to 28,334.75, 42,503.67 and 8,613.41

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Solution

The fourth proportional to 28,334.75, 42,503.67 and 8,613.41 is: 12,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.75 : 42,503.67 = 8,613.41 : x
  2. Step 2: Convert to fraction form
    28,334.75/42,503.67 = 8,613.41/x
  3. Step 3: Cross multiply
    28,334.75x = 42,503.67 × 8,613.41
  4. Step 4: Simplify right side
    28,334.75x = 366,101,323.70
  5. Step 5: Solve for x
    x = 366,101,323.70/28,334.75
  6. Step 6: Final answer
    x = 12,920.58

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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.