Home / 26,265.30-39,365.10-13,121.34

Finding the Fourth Proportional to 26,265.30, 39,365.10 and 13,121.34

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Solution

The fourth proportional to 26,265.30, 39,365.10 and 13,121.34 is: 19,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.30 : 39,365.10 = 13,121.34 : x
  2. Step 2: Convert to fraction form
    26,265.30/39,365.10 = 13,121.34/x
  3. Step 3: Cross multiply
    26,265.30x = 39,365.10 × 13,121.34
  4. Step 4: Simplify right side
    26,265.30x = 516,522,861.23
  5. Step 5: Solve for x
    x = 516,522,861.23/26,265.30
  6. Step 6: Final answer
    x = 19,665.60

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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.