Home / 28,870.15-43,288.68-8,874.44

Finding the Fourth Proportional to 28,870.15, 43,288.68 and 8,874.44

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Solution

The fourth proportional to 28,870.15, 43,288.68 and 8,874.44 is: 13,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.15 : 43,288.68 = 8,874.44 : x
  2. Step 2: Convert to fraction form
    28,870.15/43,288.68 = 8,874.44/x
  3. Step 3: Cross multiply
    28,870.15x = 43,288.68 × 8,874.44
  4. Step 4: Simplify right side
    28,870.15x = 384,162,793.34
  5. Step 5: Solve for x
    x = 384,162,793.34/28,870.15
  6. Step 6: Final answer
    x = 13,306.58

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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.