Home / 28,946.93-43,419.07-12,072.97

Finding the Fourth Proportional to 28,946.93, 43,419.07 and 12,072.97

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Solution

The fourth proportional to 28,946.93, 43,419.07 and 12,072.97 is: 18,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.93 : 43,419.07 = 12,072.97 : x
  2. Step 2: Convert to fraction form
    28,946.93/43,419.07 = 12,072.97/x
  3. Step 3: Cross multiply
    28,946.93x = 43,419.07 × 12,072.97
  4. Step 4: Simplify right side
    28,946.93x = 524,197,129.54
  5. Step 5: Solve for x
    x = 524,197,129.54/28,946.93
  6. Step 6: Final answer
    x = 18,108.90

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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.