Home / 52,664.18-72,676.44-28,790.79

Finding the Fourth Proportional to 52,664.18, 72,676.44 and 28,790.79

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Solution

The fourth proportional to 52,664.18, 72,676.44 and 28,790.79 is: 39,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,664.18 : 72,676.44 = 28,790.79 : x
  2. Step 2: Convert to fraction form
    52,664.18/72,676.44 = 28,790.79/x
  3. Step 3: Cross multiply
    52,664.18x = 72,676.44 × 28,790.79
  4. Step 4: Simplify right side
    52,664.18x = 2,092,412,258.26
  5. Step 5: Solve for x
    x = 2,092,412,258.26/52,664.18
  6. Step 6: Final answer
    x = 39,731.23

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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.