Home / 26,521.68-39,782.52-12,628.56

Finding the Fourth Proportional to 26,521.68, 39,782.52 and 12,628.56

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Solution

The fourth proportional to 26,521.68, 39,782.52 and 12,628.56 is: 18,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.68 : 39,782.52 = 12,628.56 : x
  2. Step 2: Convert to fraction form
    26,521.68/39,782.52 = 12,628.56/x
  3. Step 3: Cross multiply
    26,521.68x = 39,782.52 × 12,628.56
  4. Step 4: Simplify right side
    26,521.68x = 502,395,940.77
  5. Step 5: Solve for x
    x = 502,395,940.77/26,521.68
  6. Step 6: Final answer
    x = 18,942.84

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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.