Home / 26,143.82-36,078.37-14,815.47

Finding the Fourth Proportional to 26,143.82, 36,078.37 and 14,815.47

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Solution

The fourth proportional to 26,143.82, 36,078.37 and 14,815.47 is: 20,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.82 : 36,078.37 = 14,815.47 : x
  2. Step 2: Convert to fraction form
    26,143.82/36,078.37 = 14,815.47/x
  3. Step 3: Cross multiply
    26,143.82x = 36,078.37 × 14,815.47
  4. Step 4: Simplify right side
    26,143.82x = 534,517,934.31
  5. Step 5: Solve for x
    x = 534,517,934.31/26,143.82
  6. Step 6: Final answer
    x = 20,445.29

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1.5x scale

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.