Home / 28,180.19-38,885.96-16,847.43

Finding the Fourth Proportional to 28,180.19, 38,885.96 and 16,847.43

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Solution

The fourth proportional to 28,180.19, 38,885.96 and 16,847.43 is: 23,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.19 : 38,885.96 = 16,847.43 : x
  2. Step 2: Convert to fraction form
    28,180.19/38,885.96 = 16,847.43/x
  3. Step 3: Cross multiply
    28,180.19x = 38,885.96 × 16,847.43
  4. Step 4: Simplify right side
    28,180.19x = 655,128,531.20
  5. Step 5: Solve for x
    x = 655,128,531.20/28,180.19
  6. Step 6: Final answer
    x = 23,247.84

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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.