Home / 28,870.14-43,306.44-9,150.15

Finding the Fourth Proportional to 28,870.14, 43,306.44 and 9,150.15

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Solution

The fourth proportional to 28,870.14, 43,306.44 and 9,150.15 is: 13,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.14 : 43,306.44 = 9,150.15 : x
  2. Step 2: Convert to fraction form
    28,870.14/43,306.44 = 9,150.15/x
  3. Step 3: Cross multiply
    28,870.14x = 43,306.44 × 9,150.15
  4. Step 4: Simplify right side
    28,870.14x = 396,260,421.97
  5. Step 5: Solve for x
    x = 396,260,421.97/28,870.14
  6. Step 6: Final answer
    x = 13,725.61

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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.