Home / 52,696.17-78,872.40-28,644.30

Finding the Fourth Proportional to 52,696.17, 78,872.40 and 28,644.30

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Solution

The fourth proportional to 52,696.17, 78,872.40 and 28,644.30 is: 42,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,696.17 : 78,872.40 = 28,644.30 : x
  2. Step 2: Convert to fraction form
    52,696.17/78,872.40 = 28,644.30/x
  3. Step 3: Cross multiply
    52,696.17x = 78,872.40 × 28,644.30
  4. Step 4: Simplify right side
    52,696.17x = 2,259,244,687.32
  5. Step 5: Solve for x
    x = 2,259,244,687.32/52,696.17
  6. Step 6: Final answer
    x = 42,873.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.