Home / 26,278.01-39,429.32-11,485.01

Finding the Fourth Proportional to 26,278.01, 39,429.32 and 11,485.01

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Solution

The fourth proportional to 26,278.01, 39,429.32 and 11,485.01 is: 17,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.01 : 39,429.32 = 11,485.01 : x
  2. Step 2: Convert to fraction form
    26,278.01/39,429.32 = 11,485.01/x
  3. Step 3: Cross multiply
    26,278.01x = 39,429.32 × 11,485.01
  4. Step 4: Simplify right side
    26,278.01x = 452,846,007.21
  5. Step 5: Solve for x
    x = 452,846,007.21/26,278.01
  6. Step 6: Final answer
    x = 17,232.89

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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.