Home / 26,338.68-39,472.32-13,200.48

Finding the Fourth Proportional to 26,338.68, 39,472.32 and 13,200.48

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Solution

The fourth proportional to 26,338.68, 39,472.32 and 13,200.48 is: 19,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,338.68 : 39,472.32 = 13,200.48 : x
  2. Step 2: Convert to fraction form
    26,338.68/39,472.32 = 13,200.48/x
  3. Step 3: Cross multiply
    26,338.68x = 39,472.32 × 13,200.48
  4. Step 4: Simplify right side
    26,338.68x = 521,053,570.71
  5. Step 5: Solve for x
    x = 521,053,570.71/26,338.68
  6. Step 6: Final answer
    x = 19,782.83

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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.