Home / 28,506.48-42,759.82-16,811.50

Finding the Fourth Proportional to 28,506.48, 42,759.82 and 16,811.50

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Solution

The fourth proportional to 28,506.48, 42,759.82 and 16,811.50 is: 25,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.48 : 42,759.82 = 16,811.50 : x
  2. Step 2: Convert to fraction form
    28,506.48/42,759.82 = 16,811.50/x
  3. Step 3: Cross multiply
    28,506.48x = 42,759.82 × 16,811.50
  4. Step 4: Simplify right side
    28,506.48x = 718,856,713.93
  5. Step 5: Solve for x
    x = 718,856,713.93/28,506.48
  6. Step 6: Final answer
    x = 25,217.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.