Home / 18,772.37-28,226.07-17,309.47

Finding the Fourth Proportional to 18,772.37, 28,226.07 and 17,309.47

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Solution

The fourth proportional to 18,772.37, 28,226.07 and 17,309.47 is: 26,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.37 : 28,226.07 = 17,309.47 : x
  2. Step 2: Convert to fraction form
    18,772.37/28,226.07 = 17,309.47/x
  3. Step 3: Cross multiply
    18,772.37x = 28,226.07 × 17,309.47
  4. Step 4: Simplify right side
    18,772.37x = 488,578,311.88
  5. Step 5: Solve for x
    x = 488,578,311.88/18,772.37
  6. Step 6: Final answer
    x = 26,026.46

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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.