Home / 28,084.76-38,759.01-16,151.84

Finding the Fourth Proportional to 28,084.76, 38,759.01 and 16,151.84

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Solution

The fourth proportional to 28,084.76, 38,759.01 and 16,151.84 is: 22,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.76 : 38,759.01 = 16,151.84 : x
  2. Step 2: Convert to fraction form
    28,084.76/38,759.01 = 16,151.84/x
  3. Step 3: Cross multiply
    28,084.76x = 38,759.01 × 16,151.84
  4. Step 4: Simplify right side
    28,084.76x = 626,029,328.08
  5. Step 5: Solve for x
    x = 626,029,328.08/28,084.76
  6. Step 6: Final answer
    x = 22,290.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.