Home / 28,863.90-43,335.63-19,957.34

Finding the Fourth Proportional to 28,863.90, 43,335.63 and 19,957.34

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Solution

The fourth proportional to 28,863.90, 43,335.63 and 19,957.34 is: 29,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.90 : 43,335.63 = 19,957.34 : x
  2. Step 2: Convert to fraction form
    28,863.90/43,335.63 = 19,957.34/x
  3. Step 3: Cross multiply
    28,863.90x = 43,335.63 × 19,957.34
  4. Step 4: Simplify right side
    28,863.90x = 864,864,010.36
  5. Step 5: Solve for x
    x = 864,864,010.36/28,863.90
  6. Step 6: Final answer
    x = 29,963.52

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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.