Home / 28,246.30-42,370.55-8,524.86

Finding the Fourth Proportional to 28,246.30, 42,370.55 and 8,524.86

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Solution

The fourth proportional to 28,246.30, 42,370.55 and 8,524.86 is: 12,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.30 : 42,370.55 = 8,524.86 : x
  2. Step 2: Convert to fraction form
    28,246.30/42,370.55 = 8,524.86/x
  3. Step 3: Cross multiply
    28,246.30x = 42,370.55 × 8,524.86
  4. Step 4: Simplify right side
    28,246.30x = 361,203,006.87
  5. Step 5: Solve for x
    x = 361,203,006.87/28,246.30
  6. Step 6: Final answer
    x = 12,787.62

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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.