Home / 26,266.06-39,330.24-20,976.76

Finding the Fourth Proportional to 26,266.06, 39,330.24 and 20,976.76

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Solution

The fourth proportional to 26,266.06, 39,330.24 and 20,976.76 is: 31,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,266.06 : 39,330.24 = 20,976.76 : x
  2. Step 2: Convert to fraction form
    26,266.06/39,330.24 = 20,976.76/x
  3. Step 3: Cross multiply
    26,266.06x = 39,330.24 × 20,976.76
  4. Step 4: Simplify right side
    26,266.06x = 825,021,005.22
  5. Step 5: Solve for x
    x = 825,021,005.22/26,266.06
  6. Step 6: Final answer
    x = 31,410.15

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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.