Home / 28,911.54-43,366.85-15,590.73

Finding the Fourth Proportional to 28,911.54, 43,366.85 and 15,590.73

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Solution

The fourth proportional to 28,911.54, 43,366.85 and 15,590.73 is: 23,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.54 : 43,366.85 = 15,590.73 : x
  2. Step 2: Convert to fraction form
    28,911.54/43,366.85 = 15,590.73/x
  3. Step 3: Cross multiply
    28,911.54x = 43,366.85 × 15,590.73
  4. Step 4: Simplify right side
    28,911.54x = 676,120,849.30
  5. Step 5: Solve for x
    x = 676,120,849.30/28,911.54
  6. Step 6: Final answer
    x = 23,385.85

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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.