Home / 53,756.88-80,677.98-28,815.36

Finding the Fourth Proportional to 53,756.88, 80,677.98 and 28,815.36

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Solution

The fourth proportional to 53,756.88, 80,677.98 and 28,815.36 is: 43,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,756.88 : 80,677.98 = 28,815.36 : x
  2. Step 2: Convert to fraction form
    53,756.88/80,677.98 = 28,815.36/x
  3. Step 3: Cross multiply
    53,756.88x = 80,677.98 × 28,815.36
  4. Step 4: Simplify right side
    53,756.88x = 2,324,765,037.77
  5. Step 5: Solve for x
    x = 2,324,765,037.77/53,756.88
  6. Step 6: Final answer
    x = 43,245.91

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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.