Home / 52,816.38-72,886.60-28,943.99

Finding the Fourth Proportional to 52,816.38, 72,886.60 and 28,943.99

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Solution

The fourth proportional to 52,816.38, 72,886.60 and 28,943.99 is: 39,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816.38 : 72,886.60 = 28,943.99 : x
  2. Step 2: Convert to fraction form
    52,816.38/72,886.60 = 28,943.99/x
  3. Step 3: Cross multiply
    52,816.38x = 72,886.60 × 28,943.99
  4. Step 4: Simplify right side
    52,816.38x = 2,109,629,021.53
  5. Step 5: Solve for x
    x = 2,109,629,021.53/52,816.38
  6. Step 6: Final answer
    x = 39,942.70

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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.