Home / 28,956.85-43,426.02-9,230.78

Finding the Fourth Proportional to 28,956.85, 43,426.02 and 9,230.78

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Solution

The fourth proportional to 28,956.85, 43,426.02 and 9,230.78 is: 13,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.85 : 43,426.02 = 9,230.78 : x
  2. Step 2: Convert to fraction form
    28,956.85/43,426.02 = 9,230.78/x
  3. Step 3: Cross multiply
    28,956.85x = 43,426.02 × 9,230.78
  4. Step 4: Simplify right side
    28,956.85x = 400,856,036.90
  5. Step 5: Solve for x
    x = 400,856,036.90/28,956.85
  6. Step 6: Final answer
    x = 13,843.22

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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.