Home / 28,759.64-43,103.94-12,113.84

Finding the Fourth Proportional to 28,759.64, 43,103.94 and 12,113.84

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Solution

The fourth proportional to 28,759.64, 43,103.94 and 12,113.84 is: 18,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.64 : 43,103.94 = 12,113.84 : x
  2. Step 2: Convert to fraction form
    28,759.64/43,103.94 = 12,113.84/x
  3. Step 3: Cross multiply
    28,759.64x = 43,103.94 × 12,113.84
  4. Step 4: Simplify right side
    28,759.64x = 522,154,232.53
  5. Step 5: Solve for x
    x = 522,154,232.53/28,759.64
  6. Step 6: Final answer
    x = 18,155.80

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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.