Home / 28,029.04-38,685.68-16,100.56

Finding the Fourth Proportional to 28,029.04, 38,685.68 and 16,100.56

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Solution

The fourth proportional to 28,029.04, 38,685.68 and 16,100.56 is: 22,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.04 : 38,685.68 = 16,100.56 : x
  2. Step 2: Convert to fraction form
    28,029.04/38,685.68 = 16,100.56/x
  3. Step 3: Cross multiply
    28,029.04x = 38,685.68 × 16,100.56
  4. Step 4: Simplify right side
    28,029.04x = 622,861,111.98
  5. Step 5: Solve for x
    x = 622,861,111.98/28,029.04
  6. Step 6: Final answer
    x = 22,221.99

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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.