Home / 28,481.31-39,292.16-19,052.91

Finding the Fourth Proportional to 28,481.31, 39,292.16 and 19,052.91

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Solution

The fourth proportional to 28,481.31, 39,292.16 and 19,052.91 is: 26,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.31 : 39,292.16 = 19,052.91 : x
  2. Step 2: Convert to fraction form
    28,481.31/39,292.16 = 19,052.91/x
  3. Step 3: Cross multiply
    28,481.31x = 39,292.16 × 19,052.91
  4. Step 4: Simplify right side
    28,481.31x = 748,629,892.92
  5. Step 5: Solve for x
    x = 748,629,892.92/28,481.31
  6. Step 6: Final answer
    x = 26,284.95

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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.