Home / 28,981.41-43,468.49-9,258.33

Finding the Fourth Proportional to 28,981.41, 43,468.49 and 9,258.33

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Solution

The fourth proportional to 28,981.41, 43,468.49 and 9,258.33 is: 13,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.41 : 43,468.49 = 9,258.33 : x
  2. Step 2: Convert to fraction form
    28,981.41/43,468.49 = 9,258.33/x
  3. Step 3: Cross multiply
    28,981.41x = 43,468.49 × 9,258.33
  4. Step 4: Simplify right side
    28,981.41x = 402,445,578.73
  5. Step 5: Solve for x
    x = 402,445,578.73/28,981.41
  6. Step 6: Final answer
    x = 13,886.34

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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.