Home / 52,806.80-72,872.26-28,932.96

Finding the Fourth Proportional to 52,806.80, 72,872.26 and 28,932.96

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Solution

The fourth proportional to 52,806.80, 72,872.26 and 28,932.96 is: 39,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,806.80 : 72,872.26 = 28,932.96 : x
  2. Step 2: Convert to fraction form
    52,806.80/72,872.26 = 28,932.96/x
  3. Step 3: Cross multiply
    52,806.80x = 72,872.26 × 28,932.96
  4. Step 4: Simplify right side
    52,806.80x = 2,108,410,384.63
  5. Step 5: Solve for x
    x = 2,108,410,384.63/52,806.80
  6. Step 6: Final answer
    x = 39,926.87

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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.