Home / 17,769.31-26,659.29-5,289.77

Finding the Fourth Proportional to 17,769.31, 26,659.29 and 5,289.77

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Solution

The fourth proportional to 17,769.31, 26,659.29 and 5,289.77 is: 7,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.31 : 26,659.29 = 5,289.77 : x
  2. Step 2: Convert to fraction form
    17,769.31/26,659.29 = 5,289.77/x
  3. Step 3: Cross multiply
    17,769.31x = 26,659.29 × 5,289.77
  4. Step 4: Simplify right side
    17,769.31x = 141,021,512.46
  5. Step 5: Solve for x
    x = 141,021,512.46/17,769.31
  6. Step 6: Final answer
    x = 7,936.24

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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.