Home / 26,930.21-40,401.73-13,570.38

Finding the Fourth Proportional to 26,930.21, 40,401.73 and 13,570.38

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Solution

The fourth proportional to 26,930.21, 40,401.73 and 13,570.38 is: 20,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.21 : 40,401.73 = 13,570.38 : x
  2. Step 2: Convert to fraction form
    26,930.21/40,401.73 = 13,570.38/x
  3. Step 3: Cross multiply
    26,930.21x = 40,401.73 × 13,570.38
  4. Step 4: Simplify right side
    26,930.21x = 548,266,794.83
  5. Step 5: Solve for x
    x = 548,266,794.83/26,930.21
  6. Step 6: Final answer
    x = 20,358.80

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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.