Home / 26,949.32-40,429.90-7,972.47

Finding the Fourth Proportional to 26,949.32, 40,429.90 and 7,972.47

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Solution

The fourth proportional to 26,949.32, 40,429.90 and 7,972.47 is: 11,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.32 : 40,429.90 = 7,972.47 : x
  2. Step 2: Convert to fraction form
    26,949.32/40,429.90 = 7,972.47/x
  3. Step 3: Cross multiply
    26,949.32x = 40,429.90 × 7,972.47
  4. Step 4: Simplify right side
    26,949.32x = 322,326,265.93
  5. Step 5: Solve for x
    x = 322,326,265.93/26,949.32
  6. Step 6: Final answer
    x = 11,960.46

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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.