Home / 26,863.48-40,331.76-18,522.82

Finding the Fourth Proportional to 26,863.48, 40,331.76 and 18,522.82

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Solution

The fourth proportional to 26,863.48, 40,331.76 and 18,522.82 is: 27,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.48 : 40,331.76 = 18,522.82 : x
  2. Step 2: Convert to fraction form
    26,863.48/40,331.76 = 18,522.82/x
  3. Step 3: Cross multiply
    26,863.48x = 40,331.76 × 18,522.82
  4. Step 4: Simplify right side
    26,863.48x = 747,057,930.76
  5. Step 5: Solve for x
    x = 747,057,930.76/26,863.48
  6. Step 6: Final answer
    x = 27,809.42

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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.