Home / 26,998.16-40,508.76-13,143.44

Finding the Fourth Proportional to 26,998.16, 40,508.76 and 13,143.44

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Solution

The fourth proportional to 26,998.16, 40,508.76 and 13,143.44 is: 19,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.16 : 40,508.76 = 13,143.44 : x
  2. Step 2: Convert to fraction form
    26,998.16/40,508.76 = 13,143.44/x
  3. Step 3: Cross multiply
    26,998.16x = 40,508.76 × 13,143.44
  4. Step 4: Simplify right side
    26,998.16x = 532,424,456.53
  5. Step 5: Solve for x
    x = 532,424,456.53/26,998.16
  6. Step 6: Final answer
    x = 19,720.77

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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.