Home / 26,134.40-39,201.60-17,340.80

Finding the Fourth Proportional to 26,134.40, 39,201.60 and 17,340.80

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Solution

The fourth proportional to 26,134.40, 39,201.60 and 17,340.80 is: 26,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,134.40 : 39,201.60 = 17,340.80 : x
  2. Step 2: Convert to fraction form
    26,134.40/39,201.60 = 17,340.80/x
  3. Step 3: Cross multiply
    26,134.40x = 39,201.60 × 17,340.80
  4. Step 4: Simplify right side
    26,134.40x = 679,787,105.28
  5. Step 5: Solve for x
    x = 679,787,105.28/26,134.40
  6. Step 6: Final answer
    x = 26,011.20

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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.