Home / 28,161.62-38,867.40-16,062.12

Finding the Fourth Proportional to 28,161.62, 38,867.40 and 16,062.12

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Solution

The fourth proportional to 28,161.62, 38,867.40 and 16,062.12 is: 22,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.62 : 38,867.40 = 16,062.12 : x
  2. Step 2: Convert to fraction form
    28,161.62/38,867.40 = 16,062.12/x
  3. Step 3: Cross multiply
    28,161.62x = 38,867.40 × 16,062.12
  4. Step 4: Simplify right side
    28,161.62x = 624,292,842.89
  5. Step 5: Solve for x
    x = 624,292,842.89/28,161.62
  6. Step 6: Final answer
    x = 22,168.21

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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.