Home / 26,936.64-40,404.96-7,218

Finding the Fourth Proportional to 26,936.64, 40,404.96 and 7,218

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Solution

The fourth proportional to 26,936.64, 40,404.96 and 7,218 is: 10,827

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.64 : 40,404.96 = 7,218 : x
  2. Step 2: Convert to fraction form
    26,936.64/40,404.96 = 7,218/x
  3. Step 3: Cross multiply
    26,936.64x = 40,404.96 × 7,218
  4. Step 4: Simplify right side
    26,936.64x = 291,643,001.28
  5. Step 5: Solve for x
    x = 291,643,001.28/26,936.64
  6. Step 6: Final answer
    x = 10,827

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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.