Home / 18,280.61-27,431.84-16,793.45

Finding the Fourth Proportional to 18,280.61, 27,431.84 and 16,793.45

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Solution

The fourth proportional to 18,280.61, 27,431.84 and 16,793.45 is: 25,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.61 : 27,431.84 = 16,793.45 : x
  2. Step 2: Convert to fraction form
    18,280.61/27,431.84 = 16,793.45/x
  3. Step 3: Cross multiply
    18,280.61x = 27,431.84 × 16,793.45
  4. Step 4: Simplify right side
    18,280.61x = 460,675,233.45
  5. Step 5: Solve for x
    x = 460,675,233.45/18,280.61
  6. Step 6: Final answer
    x = 25,200.21

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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.