Home / 52,665.62-78,998.40-17,605.26

Finding the Fourth Proportional to 52,665.62, 78,998.40 and 17,605.26

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Solution

The fourth proportional to 52,665.62, 78,998.40 and 17,605.26 is: 26,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665.62 : 78,998.40 = 17,605.26 : x
  2. Step 2: Convert to fraction form
    52,665.62/78,998.40 = 17,605.26/x
  3. Step 3: Cross multiply
    52,665.62x = 78,998.40 × 17,605.26
  4. Step 4: Simplify right side
    52,665.62x = 1,390,787,371.58
  5. Step 5: Solve for x
    x = 1,390,787,371.58/52,665.62
  6. Step 6: Final answer
    x = 26,407.88

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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.