Home / 28,817.50-43,209.64-11,277.76

Finding the Fourth Proportional to 28,817.50, 43,209.64 and 11,277.76

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Solution

The fourth proportional to 28,817.50, 43,209.64 and 11,277.76 is: 16,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.50 : 43,209.64 = 11,277.76 : x
  2. Step 2: Convert to fraction form
    28,817.50/43,209.64 = 11,277.76/x
  3. Step 3: Cross multiply
    28,817.50x = 43,209.64 × 11,277.76
  4. Step 4: Simplify right side
    28,817.50x = 487,307,949.61
  5. Step 5: Solve for x
    x = 487,307,949.61/28,817.50
  6. Step 6: Final answer
    x = 16,910.14

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1.5x scale

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.