Home / 52,757.24-72,802.20-28,879.29

Finding the Fourth Proportional to 52,757.24, 72,802.20 and 28,879.29

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Solution

The fourth proportional to 52,757.24, 72,802.20 and 28,879.29 is: 39,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.24 : 72,802.20 = 28,879.29 : x
  2. Step 2: Convert to fraction form
    52,757.24/72,802.20 = 28,879.29/x
  3. Step 3: Cross multiply
    52,757.24x = 72,802.20 × 28,879.29
  4. Step 4: Simplify right side
    52,757.24x = 2,102,475,846.44
  5. Step 5: Solve for x
    x = 2,102,475,846.44/52,757.24
  6. Step 6: Final answer
    x = 39,851.90

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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.