Home / 28,817.07-43,230.07-12,177.17

Finding the Fourth Proportional to 28,817.07, 43,230.07 and 12,177.17

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Solution

The fourth proportional to 28,817.07, 43,230.07 and 12,177.17 is: 18,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.07 : 43,230.07 = 12,177.17 : x
  2. Step 2: Convert to fraction form
    28,817.07/43,230.07 = 12,177.17/x
  3. Step 3: Cross multiply
    28,817.07x = 43,230.07 × 12,177.17
  4. Step 4: Simplify right side
    28,817.07x = 526,419,872.69
  5. Step 5: Solve for x
    x = 526,419,872.69/28,817.07
  6. Step 6: Final answer
    x = 18,267.64

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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.