Home / 28,819.08-43,248.06-11,286.72

Finding the Fourth Proportional to 28,819.08, 43,248.06 and 11,286.72

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Solution

The fourth proportional to 28,819.08, 43,248.06 and 11,286.72 is: 16,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.08 : 43,248.06 = 11,286.72 : x
  2. Step 2: Convert to fraction form
    28,819.08/43,248.06 = 11,286.72/x
  3. Step 3: Cross multiply
    28,819.08x = 43,248.06 × 11,286.72
  4. Step 4: Simplify right side
    28,819.08x = 488,128,743.76
  5. Step 5: Solve for x
    x = 488,128,743.76/28,819.08
  6. Step 6: Final answer
    x = 16,937.69

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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.