Home / 28,145.26-38,837.06-16,212.46

Finding the Fourth Proportional to 28,145.26, 38,837.06 and 16,212.46

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Solution

The fourth proportional to 28,145.26, 38,837.06 and 16,212.46 is: 22,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145.26 : 38,837.06 = 16,212.46 : x
  2. Step 2: Convert to fraction form
    28,145.26/38,837.06 = 16,212.46/x
  3. Step 3: Cross multiply
    28,145.26x = 38,837.06 × 16,212.46
  4. Step 4: Simplify right side
    28,145.26x = 629,644,281.77
  5. Step 5: Solve for x
    x = 629,644,281.77/28,145.26
  6. Step 6: Final answer
    x = 22,371.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.