Home / 52,855.26-72,941.67-28,982.34

Finding the Fourth Proportional to 52,855.26, 72,941.67 and 28,982.34

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Solution

The fourth proportional to 52,855.26, 72,941.67 and 28,982.34 is: 39,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.26 : 72,941.67 = 28,982.34 : x
  2. Step 2: Convert to fraction form
    52,855.26/72,941.67 = 28,982.34/x
  3. Step 3: Cross multiply
    52,855.26x = 72,941.67 × 28,982.34
  4. Step 4: Simplify right side
    52,855.26x = 2,114,020,280.11
  5. Step 5: Solve for x
    x = 2,114,020,280.11/52,855.26
  6. Step 6: Final answer
    x = 39,996.40

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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.