Home / 28,486.17-39,304.20-16,542.42

Finding the Fourth Proportional to 28,486.17, 39,304.20 and 16,542.42

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Solution

The fourth proportional to 28,486.17, 39,304.20 and 16,542.42 is: 22,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.17 : 39,304.20 = 16,542.42 : x
  2. Step 2: Convert to fraction form
    28,486.17/39,304.20 = 16,542.42/x
  3. Step 3: Cross multiply
    28,486.17x = 39,304.20 × 16,542.42
  4. Step 4: Simplify right side
    28,486.17x = 650,186,584.16
  5. Step 5: Solve for x
    x = 650,186,584.16/28,486.17
  6. Step 6: Final answer
    x = 22,824.64

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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.