Home / 28,202.71-38,909.44-16,872.53

Finding the Fourth Proportional to 28,202.71, 38,909.44 and 16,872.53

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Solution

The fourth proportional to 28,202.71, 38,909.44 and 16,872.53 is: 23,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.71 : 38,909.44 = 16,872.53 : x
  2. Step 2: Convert to fraction form
    28,202.71/38,909.44 = 16,872.53/x
  3. Step 3: Cross multiply
    28,202.71x = 38,909.44 × 16,872.53
  4. Step 4: Simplify right side
    28,202.71x = 656,500,554.23
  5. Step 5: Solve for x
    x = 656,500,554.23/28,202.71
  6. Step 6: Final answer
    x = 23,277.93

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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.