Home / 18,525.52-27,792.96-5,378.80

Finding the Fourth Proportional to 18,525.52, 27,792.96 and 5,378.80

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Solution

The fourth proportional to 18,525.52, 27,792.96 and 5,378.80 is: 8,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.52 : 27,792.96 = 5,378.80 : x
  2. Step 2: Convert to fraction form
    18,525.52/27,792.96 = 5,378.80/x
  3. Step 3: Cross multiply
    18,525.52x = 27,792.96 × 5,378.80
  4. Step 4: Simplify right side
    18,525.52x = 149,492,773.25
  5. Step 5: Solve for x
    x = 149,492,773.25/18,525.52
  6. Step 6: Final answer
    x = 8,069.56

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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.