Home / 18,804.75-28,226.96-18,381.12

Finding the Fourth Proportional to 18,804.75, 28,226.96 and 18,381.12

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Solution

The fourth proportional to 18,804.75, 28,226.96 and 18,381.12 is: 27,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.75 : 28,226.96 = 18,381.12 : x
  2. Step 2: Convert to fraction form
    18,804.75/28,226.96 = 18,381.12/x
  3. Step 3: Cross multiply
    18,804.75x = 28,226.96 × 18,381.12
  4. Step 4: Simplify right side
    18,804.75x = 518,843,139.00
  5. Step 5: Solve for x
    x = 518,843,139.00/18,804.75
  6. Step 6: Final answer
    x = 27,591.07

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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.