Home / 28,205.49-38,927.70-16,266.48

Finding the Fourth Proportional to 28,205.49, 38,927.70 and 16,266.48

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Solution

The fourth proportional to 28,205.49, 38,927.70 and 16,266.48 is: 22,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.49 : 38,927.70 = 16,266.48 : x
  2. Step 2: Convert to fraction form
    28,205.49/38,927.70 = 16,266.48/x
  3. Step 3: Cross multiply
    28,205.49x = 38,927.70 × 16,266.48
  4. Step 4: Simplify right side
    28,205.49x = 633,216,653.50
  5. Step 5: Solve for x
    x = 633,216,653.50/28,205.49
  6. Step 6: Final answer
    x = 22,450.12

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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.