Home / 26,998.96-40,512.10-18,215.42

Finding the Fourth Proportional to 26,998.96, 40,512.10 and 18,215.42

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Solution

The fourth proportional to 26,998.96, 40,512.10 and 18,215.42 is: 27,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.96 : 40,512.10 = 18,215.42 : x
  2. Step 2: Convert to fraction form
    26,998.96/40,512.10 = 18,215.42/x
  3. Step 3: Cross multiply
    26,998.96x = 40,512.10 × 18,215.42
  4. Step 4: Simplify right side
    26,998.96x = 737,944,916.58
  5. Step 5: Solve for x
    x = 737,944,916.58/26,998.96
  6. Step 6: Final answer
    x = 27,332.35

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1.5x scale

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.