Home / 17,939.93-26,910.81-5,459.00

Finding the Fourth Proportional to 17,939.93, 26,910.81 and 5,459.00

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Solution

The fourth proportional to 17,939.93, 26,910.81 and 5,459.00 is: 8,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.93 : 26,910.81 = 5,459.00 : x
  2. Step 2: Convert to fraction form
    17,939.93/26,910.81 = 5,459.00/x
  3. Step 3: Cross multiply
    17,939.93x = 26,910.81 × 5,459.00
  4. Step 4: Simplify right side
    17,939.93x = 146,905,977.24
  5. Step 5: Solve for x
    x = 146,905,977.24/17,939.93
  6. Step 6: Final answer
    x = 8,188.77

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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.