Home / 26,139.73-39,187.56-11,337.50

Finding the Fourth Proportional to 26,139.73, 39,187.56 and 11,337.50

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Solution

The fourth proportional to 26,139.73, 39,187.56 and 11,337.50 is: 16,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.73 : 39,187.56 = 11,337.50 : x
  2. Step 2: Convert to fraction form
    26,139.73/39,187.56 = 11,337.50/x
  3. Step 3: Cross multiply
    26,139.73x = 39,187.56 × 11,337.50
  4. Step 4: Simplify right side
    26,139.73x = 444,288,961.50
  5. Step 5: Solve for x
    x = 444,288,961.50/26,139.73
  6. Step 6: Final answer
    x = 16,996.69

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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.