Home / 28,956.96-43,435.87-11,426.63

Finding the Fourth Proportional to 28,956.96, 43,435.87 and 11,426.63

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Solution

The fourth proportional to 28,956.96, 43,435.87 and 11,426.63 is: 17,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.96 : 43,435.87 = 11,426.63 : x
  2. Step 2: Convert to fraction form
    28,956.96/43,435.87 = 11,426.63/x
  3. Step 3: Cross multiply
    28,956.96x = 43,435.87 × 11,426.63
  4. Step 4: Simplify right side
    28,956.96x = 496,325,369.47
  5. Step 5: Solve for x
    x = 496,325,369.47/28,956.96
  6. Step 6: Final answer
    x = 17,140.11

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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.