Home / 28,824.95-43,241.88-12,185.04

Finding the Fourth Proportional to 28,824.95, 43,241.88 and 12,185.04

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Solution

The fourth proportional to 28,824.95, 43,241.88 and 12,185.04 is: 18,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.95 : 43,241.88 = 12,185.04 : x
  2. Step 2: Convert to fraction form
    28,824.95/43,241.88 = 12,185.04/x
  3. Step 3: Cross multiply
    28,824.95x = 43,241.88 × 12,185.04
  4. Step 4: Simplify right side
    28,824.95x = 526,904,037.48
  5. Step 5: Solve for x
    x = 526,904,037.48/28,824.95
  6. Step 6: Final answer
    x = 18,279.45

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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.