Home / 26,471.76-39,699-11,680.08

Finding the Fourth Proportional to 26,471.76, 39,699 and 11,680.08

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Solution

The fourth proportional to 26,471.76, 39,699 and 11,680.08 is: 17,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.76 : 39,699 = 11,680.08 : x
  2. Step 2: Convert to fraction form
    26,471.76/39,699 = 11,680.08/x
  3. Step 3: Cross multiply
    26,471.76x = 39,699 × 11,680.08
  4. Step 4: Simplify right side
    26,471.76x = 463,687,495.92
  5. Step 5: Solve for x
    x = 463,687,495.92/26,471.76
  6. Step 6: Final answer
    x = 17,516.31

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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.