Home / 28,945.91-43,387.19-14,906.79

Finding the Fourth Proportional to 28,945.91, 43,387.19 and 14,906.79

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Solution

The fourth proportional to 28,945.91, 43,387.19 and 14,906.79 is: 22,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.91 : 43,387.19 = 14,906.79 : x
  2. Step 2: Convert to fraction form
    28,945.91/43,387.19 = 14,906.79/x
  3. Step 3: Cross multiply
    28,945.91x = 43,387.19 × 14,906.79
  4. Step 4: Simplify right side
    28,945.91x = 646,763,795.24
  5. Step 5: Solve for x
    x = 646,763,795.24/28,945.91
  6. Step 6: Final answer
    x = 22,343.87

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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.