Home / 26,828.76-40,301.46-18,080.76

Finding the Fourth Proportional to 26,828.76, 40,301.46 and 18,080.76

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Solution

The fourth proportional to 26,828.76, 40,301.46 and 18,080.76 is: 27,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.76 : 40,301.46 = 18,080.76 : x
  2. Step 2: Convert to fraction form
    26,828.76/40,301.46 = 18,080.76/x
  3. Step 3: Cross multiply
    26,828.76x = 40,301.46 × 18,080.76
  4. Step 4: Simplify right side
    26,828.76x = 728,681,025.91
  5. Step 5: Solve for x
    x = 728,681,025.91/26,828.76
  6. Step 6: Final answer
    x = 27,160.44

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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.