Home / 52,677.36-72,694.26-28,803.78

Finding the Fourth Proportional to 52,677.36, 72,694.26 and 28,803.78

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Solution

The fourth proportional to 52,677.36, 72,694.26 and 28,803.78 is: 39,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,677.36 : 72,694.26 = 28,803.78 : x
  2. Step 2: Convert to fraction form
    52,677.36/72,694.26 = 28,803.78/x
  3. Step 3: Cross multiply
    52,677.36x = 72,694.26 × 28,803.78
  4. Step 4: Simplify right side
    52,677.36x = 2,093,869,472.30
  5. Step 5: Solve for x
    x = 2,093,869,472.30/52,677.36
  6. Step 6: Final answer
    x = 39,748.94

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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.