Home / 28,829.93-43,244.89-12,185.64

Finding the Fourth Proportional to 28,829.93, 43,244.89 and 12,185.64

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Solution

The fourth proportional to 28,829.93, 43,244.89 and 12,185.64 is: 18,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.93 : 43,244.89 = 12,185.64 : x
  2. Step 2: Convert to fraction form
    28,829.93/43,244.89 = 12,185.64/x
  3. Step 3: Cross multiply
    28,829.93x = 43,244.89 × 12,185.64
  4. Step 4: Simplify right side
    28,829.93x = 526,966,630.92
  5. Step 5: Solve for x
    x = 526,966,630.92/28,829.93
  6. Step 6: Final answer
    x = 18,278.46

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Similar ratio
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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.