Home / 19,329.78-26,681.01-11,265.82

Finding the Fourth Proportional to 19,329.78, 26,681.01 and 11,265.82

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Solution

The fourth proportional to 19,329.78, 26,681.01 and 11,265.82 is: 15,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.78 : 26,681.01 = 11,265.82 : x
  2. Step 2: Convert to fraction form
    19,329.78/26,681.01 = 11,265.82/x
  3. Step 3: Cross multiply
    19,329.78x = 26,681.01 × 11,265.82
  4. Step 4: Simplify right side
    19,329.78x = 300,583,456.08
  5. Step 5: Solve for x
    x = 300,583,456.08/19,329.78
  6. Step 6: Final answer
    x = 15,550.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.