Home / 28,025.34-38,674.98-15,450

Finding the Fourth Proportional to 28,025.34, 38,674.98 and 15,450

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Solution

The fourth proportional to 28,025.34, 38,674.98 and 15,450 is: 21,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.34 : 38,674.98 = 15,450 : x
  2. Step 2: Convert to fraction form
    28,025.34/38,674.98 = 15,450/x
  3. Step 3: Cross multiply
    28,025.34x = 38,674.98 × 15,450
  4. Step 4: Simplify right side
    28,025.34x = 597,528,441
  5. Step 5: Solve for x
    x = 597,528,441/28,025.34
  6. Step 6: Final answer
    x = 21,321.01

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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.