Home / 31,886.73-47,757.06-15,258.51

Finding the Fourth Proportional to 31,886.73, 47,757.06 and 15,258.51

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Solution

The fourth proportional to 31,886.73, 47,757.06 and 15,258.51 is: 22,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886.73 : 47,757.06 = 15,258.51 : x
  2. Step 2: Convert to fraction form
    31,886.73/47,757.06 = 15,258.51/x
  3. Step 3: Cross multiply
    31,886.73x = 47,757.06 × 15,258.51
  4. Step 4: Simplify right side
    31,886.73x = 728,701,577.58
  5. Step 5: Solve for x
    x = 728,701,577.58/31,886.73
  6. Step 6: Final answer
    x = 22,852.82

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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.