Home / 20,476.73-28,258.80-11,524.82

Finding the Fourth Proportional to 20,476.73, 28,258.80 and 11,524.82

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Solution

The fourth proportional to 20,476.73, 28,258.80 and 11,524.82 is: 15,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.73 : 28,258.80 = 11,524.82 : x
  2. Step 2: Convert to fraction form
    20,476.73/28,258.80 = 11,524.82/x
  3. Step 3: Cross multiply
    20,476.73x = 28,258.80 × 11,524.82
  4. Step 4: Simplify right side
    20,476.73x = 325,677,491.85
  5. Step 5: Solve for x
    x = 325,677,491.85/20,476.73
  6. Step 6: Final answer
    x = 15,904.76

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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.