Home / 26,538.30-39,807.45-11,739.60

Finding the Fourth Proportional to 26,538.30, 39,807.45 and 11,739.60

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Solution

The fourth proportional to 26,538.30, 39,807.45 and 11,739.60 is: 17,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.30 : 39,807.45 = 11,739.60 : x
  2. Step 2: Convert to fraction form
    26,538.30/39,807.45 = 11,739.60/x
  3. Step 3: Cross multiply
    26,538.30x = 39,807.45 × 11,739.60
  4. Step 4: Simplify right side
    26,538.30x = 467,323,540.02
  5. Step 5: Solve for x
    x = 467,323,540.02/26,538.30
  6. Step 6: Final answer
    x = 17,609.40

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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.