Home / 20,256.05-27,953.43-12,292.94

Finding the Fourth Proportional to 20,256.05, 27,953.43 and 12,292.94

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Solution

The fourth proportional to 20,256.05, 27,953.43 and 12,292.94 is: 16,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.05 : 27,953.43 = 12,292.94 : x
  2. Step 2: Convert to fraction form
    20,256.05/27,953.43 = 12,292.94/x
  3. Step 3: Cross multiply
    20,256.05x = 27,953.43 × 12,292.94
  4. Step 4: Simplify right side
    20,256.05x = 343,629,837.78
  5. Step 5: Solve for x
    x = 343,629,837.78/20,256.05
  6. Step 6: Final answer
    x = 16,964.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.