Home / 28,018.89-38,668.38-16,084.53

Finding the Fourth Proportional to 28,018.89, 38,668.38 and 16,084.53

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Solution

The fourth proportional to 28,018.89, 38,668.38 and 16,084.53 is: 22,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.89 : 38,668.38 = 16,084.53 : x
  2. Step 2: Convert to fraction form
    28,018.89/38,668.38 = 16,084.53/x
  3. Step 3: Cross multiply
    28,018.89x = 38,668.38 × 16,084.53
  4. Step 4: Simplify right side
    28,018.89x = 621,962,764.20
  5. Step 5: Solve for x
    x = 621,962,764.20/28,018.89
  6. Step 6: Final answer
    x = 22,197.98

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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.