Home / 26,740.89-40,098.34-13,408.16

Finding the Fourth Proportional to 26,740.89, 40,098.34 and 13,408.16

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Solution

The fourth proportional to 26,740.89, 40,098.34 and 13,408.16 is: 20,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.89 : 40,098.34 = 13,408.16 : x
  2. Step 2: Convert to fraction form
    26,740.89/40,098.34 = 13,408.16/x
  3. Step 3: Cross multiply
    26,740.89x = 40,098.34 × 13,408.16
  4. Step 4: Simplify right side
    26,740.89x = 537,644,757.96
  5. Step 5: Solve for x
    x = 537,644,757.96/26,740.89
  6. Step 6: Final answer
    x = 20,105.72

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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.