Home / 52,862.25-72,943.20-28,982.64

Finding the Fourth Proportional to 52,862.25, 72,943.20 and 28,982.64

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Solution

The fourth proportional to 52,862.25, 72,943.20 and 28,982.64 is: 39,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862.25 : 72,943.20 = 28,982.64 : x
  2. Step 2: Convert to fraction form
    52,862.25/72,943.20 = 28,982.64/x
  3. Step 3: Cross multiply
    52,862.25x = 72,943.20 × 28,982.64
  4. Step 4: Simplify right side
    52,862.25x = 2,114,086,506.05
  5. Step 5: Solve for x
    x = 2,114,086,506.05/52,862.25
  6. Step 6: Final answer
    x = 39,992.37

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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.