Home / 26,665.76-39,998.64-10,238.24

Finding the Fourth Proportional to 26,665.76, 39,998.64 and 10,238.24

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Solution

The fourth proportional to 26,665.76, 39,998.64 and 10,238.24 is: 15,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.76 : 39,998.64 = 10,238.24 : x
  2. Step 2: Convert to fraction form
    26,665.76/39,998.64 = 10,238.24/x
  3. Step 3: Cross multiply
    26,665.76x = 39,998.64 × 10,238.24
  4. Step 4: Simplify right side
    26,665.76x = 409,515,675.99
  5. Step 5: Solve for x
    x = 409,515,675.99/26,665.76
  6. Step 6: Final answer
    x = 15,357.36

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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.