Home / 28,883.42-43,306.44-18,992.71

Finding the Fourth Proportional to 28,883.42, 43,306.44 and 18,992.71

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Solution

The fourth proportional to 28,883.42, 43,306.44 and 18,992.71 is: 28,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.42 : 43,306.44 = 18,992.71 : x
  2. Step 2: Convert to fraction form
    28,883.42/43,306.44 = 18,992.71/x
  3. Step 3: Cross multiply
    28,883.42x = 43,306.44 × 18,992.71
  4. Step 4: Simplify right side
    28,883.42x = 822,506,656.05
  5. Step 5: Solve for x
    x = 822,506,656.05/28,883.42
  6. Step 6: Final answer
    x = 28,476.78

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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.