Home / 28,789.60-43,181.68-9,066.64

Finding the Fourth Proportional to 28,789.60, 43,181.68 and 9,066.64

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Solution

The fourth proportional to 28,789.60, 43,181.68 and 9,066.64 is: 13,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.60 : 43,181.68 = 9,066.64 : x
  2. Step 2: Convert to fraction form
    28,789.60/43,181.68 = 9,066.64/x
  3. Step 3: Cross multiply
    28,789.60x = 43,181.68 × 9,066.64
  4. Step 4: Simplify right side
    28,789.60x = 391,512,747.16
  5. Step 5: Solve for x
    x = 391,512,747.16/28,789.60
  6. Step 6: Final answer
    x = 13,599.10

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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.