Home / 26,979.57-40,444.70-9,439.83

Finding the Fourth Proportional to 26,979.57, 40,444.70 and 9,439.83

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Solution

The fourth proportional to 26,979.57, 40,444.70 and 9,439.83 is: 14,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.57 : 40,444.70 = 9,439.83 : x
  2. Step 2: Convert to fraction form
    26,979.57/40,444.70 = 9,439.83/x
  3. Step 3: Cross multiply
    26,979.57x = 40,444.70 × 9,439.83
  4. Step 4: Simplify right side
    26,979.57x = 381,791,166.56
  5. Step 5: Solve for x
    x = 381,791,166.56/26,979.57
  6. Step 6: Final answer
    x = 14,151.12

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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.