Home / 28,116.19-38,800.38-16,179.29

Finding the Fourth Proportional to 28,116.19, 38,800.38 and 16,179.29

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Solution

The fourth proportional to 28,116.19, 38,800.38 and 16,179.29 is: 22,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.19 : 38,800.38 = 16,179.29 : x
  2. Step 2: Convert to fraction form
    28,116.19/38,800.38 = 16,179.29/x
  3. Step 3: Cross multiply
    28,116.19x = 38,800.38 × 16,179.29
  4. Step 4: Simplify right side
    28,116.19x = 627,762,600.13
  5. Step 5: Solve for x
    x = 627,762,600.13/28,116.19
  6. Step 6: Final answer
    x = 22,327.44

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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.