Home / 26,304.60-39,481.20-13,166.40

Finding the Fourth Proportional to 26,304.60, 39,481.20 and 13,166.40

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Solution

The fourth proportional to 26,304.60, 39,481.20 and 13,166.40 is: 19,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,304.60 : 39,481.20 = 13,166.40 : x
  2. Step 2: Convert to fraction form
    26,304.60/39,481.20 = 13,166.40/x
  3. Step 3: Cross multiply
    26,304.60x = 39,481.20 × 13,166.40
  4. Step 4: Simplify right side
    26,304.60x = 519,825,271.68
  5. Step 5: Solve for x
    x = 519,825,271.68/26,304.60
  6. Step 6: Final answer
    x = 19,761.76

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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.