Home / 28,906.93-43,359.40-12,256.24

Finding the Fourth Proportional to 28,906.93, 43,359.40 and 12,256.24

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Solution

The fourth proportional to 28,906.93, 43,359.40 and 12,256.24 is: 18,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.93 : 43,359.40 = 12,256.24 : x
  2. Step 2: Convert to fraction form
    28,906.93/43,359.40 = 12,256.24/x
  3. Step 3: Cross multiply
    28,906.93x = 43,359.40 × 12,256.24
  4. Step 4: Simplify right side
    28,906.93x = 531,423,212.66
  5. Step 5: Solve for x
    x = 531,423,212.66/28,906.93
  6. Step 6: Final answer
    x = 18,383.94

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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.