Home / 18,826.96-28,260.87-14,160.28

Finding the Fourth Proportional to 18,826.96, 28,260.87 and 14,160.28

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Solution

The fourth proportional to 18,826.96, 28,260.87 and 14,160.28 is: 21,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.96 : 28,260.87 = 14,160.28 : x
  2. Step 2: Convert to fraction form
    18,826.96/28,260.87 = 14,160.28/x
  3. Step 3: Cross multiply
    18,826.96x = 28,260.87 × 14,160.28
  4. Step 4: Simplify right side
    18,826.96x = 400,181,832.24
  5. Step 5: Solve for x
    x = 400,181,832.24/18,826.96
  6. Step 6: Final answer
    x = 21,255.79

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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.