Home / 28,860.20-43,306.62-15,713.48

Finding the Fourth Proportional to 28,860.20, 43,306.62 and 15,713.48

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Solution

The fourth proportional to 28,860.20, 43,306.62 and 15,713.48 is: 23,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.20 : 43,306.62 = 15,713.48 : x
  2. Step 2: Convert to fraction form
    28,860.20/43,306.62 = 15,713.48/x
  3. Step 3: Cross multiply
    28,860.20x = 43,306.62 × 15,713.48
  4. Step 4: Simplify right side
    28,860.20x = 680,497,707.24
  5. Step 5: Solve for x
    x = 680,497,707.24/28,860.20
  6. Step 6: Final answer
    x = 23,579.11

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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.