Home / 28,544.94-42,817.68-12,750.77

Finding the Fourth Proportional to 28,544.94, 42,817.68 and 12,750.77

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Solution

The fourth proportional to 28,544.94, 42,817.68 and 12,750.77 is: 19,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.94 : 42,817.68 = 12,750.77 : x
  2. Step 2: Convert to fraction form
    28,544.94/42,817.68 = 12,750.77/x
  3. Step 3: Cross multiply
    28,544.94x = 42,817.68 × 12,750.77
  4. Step 4: Simplify right side
    28,544.94x = 545,958,175.53
  5. Step 5: Solve for x
    x = 545,958,175.53/28,544.94
  6. Step 6: Final answer
    x = 19,126.27

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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.