Home / 26,938.62-40,408.92-13,775.58

Finding the Fourth Proportional to 26,938.62, 40,408.92 and 13,775.58

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Solution

The fourth proportional to 26,938.62, 40,408.92 and 13,775.58 is: 20,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.62 : 40,408.92 = 13,775.58 : x
  2. Step 2: Convert to fraction form
    26,938.62/40,408.92 = 13,775.58/x
  3. Step 3: Cross multiply
    26,938.62x = 40,408.92 × 13,775.58
  4. Step 4: Simplify right side
    26,938.62x = 556,656,310.17
  5. Step 5: Solve for x
    x = 556,656,310.17/26,938.62
  6. Step 6: Final answer
    x = 20,663.88

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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.