Home / 19,733.28-27,227.05-12,669.27

Finding the Fourth Proportional to 19,733.28, 27,227.05 and 12,669.27

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Solution

The fourth proportional to 19,733.28, 27,227.05 and 12,669.27 is: 17,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.28 : 27,227.05 = 12,669.27 : x
  2. Step 2: Convert to fraction form
    19,733.28/27,227.05 = 12,669.27/x
  3. Step 3: Cross multiply
    19,733.28x = 27,227.05 × 12,669.27
  4. Step 4: Simplify right side
    19,733.28x = 344,946,816.08
  5. Step 5: Solve for x
    x = 344,946,816.08/19,733.28
  6. Step 6: Final answer
    x = 17,480.46

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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.