Home / 26,398.82-39,565.02-18,863.14

Finding the Fourth Proportional to 26,398.82, 39,565.02 and 18,863.14

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Solution

The fourth proportional to 26,398.82, 39,565.02 and 18,863.14 is: 28,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.82 : 39,565.02 = 18,863.14 : x
  2. Step 2: Convert to fraction form
    26,398.82/39,565.02 = 18,863.14/x
  3. Step 3: Cross multiply
    26,398.82x = 39,565.02 × 18,863.14
  4. Step 4: Simplify right side
    26,398.82x = 746,320,511.36
  5. Step 5: Solve for x
    x = 746,320,511.36/26,398.82
  6. Step 6: Final answer
    x = 28,270.98

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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.