Home / 26,081.90-39,105.56-9,439.76

Finding the Fourth Proportional to 26,081.90, 39,105.56 and 9,439.76

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Solution

The fourth proportional to 26,081.90, 39,105.56 and 9,439.76 is: 14,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.90 : 39,105.56 = 9,439.76 : x
  2. Step 2: Convert to fraction form
    26,081.90/39,105.56 = 9,439.76/x
  3. Step 3: Cross multiply
    26,081.90x = 39,105.56 × 9,439.76
  4. Step 4: Simplify right side
    26,081.90x = 369,147,101.07
  5. Step 5: Solve for x
    x = 369,147,101.07/26,081.90
  6. Step 6: Final answer
    x = 14,153.38

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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.