Home / 28,122.46-38,808.52-16,186.03

Finding the Fourth Proportional to 28,122.46, 38,808.52 and 16,186.03

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Solution

The fourth proportional to 28,122.46, 38,808.52 and 16,186.03 is: 22,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.46 : 38,808.52 = 16,186.03 : x
  2. Step 2: Convert to fraction form
    28,122.46/38,808.52 = 16,186.03/x
  3. Step 3: Cross multiply
    28,122.46x = 38,808.52 × 16,186.03
  4. Step 4: Simplify right side
    28,122.46x = 628,155,731.49
  5. Step 5: Solve for x
    x = 628,155,731.49/28,122.46
  6. Step 6: Final answer
    x = 22,336.45

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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.