Home / 26,179.04-36,163.32-20,866.88

Finding the Fourth Proportional to 26,179.04, 36,163.32 and 20,866.88

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Solution

The fourth proportional to 26,179.04, 36,163.32 and 20,866.88 is: 28,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.04 : 36,163.32 = 20,866.88 : x
  2. Step 2: Convert to fraction form
    26,179.04/36,163.32 = 20,866.88/x
  3. Step 3: Cross multiply
    26,179.04x = 36,163.32 × 20,866.88
  4. Step 4: Simplify right side
    26,179.04x = 754,615,658.84
  5. Step 5: Solve for x
    x = 754,615,658.84/26,179.04
  6. Step 6: Final answer
    x = 28,825.18

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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.