Home / 18,400.43-27,600.01-5,252.80

Finding the Fourth Proportional to 18,400.43, 27,600.01 and 5,252.80

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Solution

The fourth proportional to 18,400.43, 27,600.01 and 5,252.80 is: 7,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.43 : 27,600.01 = 5,252.80 : x
  2. Step 2: Convert to fraction form
    18,400.43/27,600.01 = 5,252.80/x
  3. Step 3: Cross multiply
    18,400.43x = 27,600.01 × 5,252.80
  4. Step 4: Simplify right side
    18,400.43x = 144,977,332.53
  5. Step 5: Solve for x
    x = 144,977,332.53/18,400.43
  6. Step 6: Final answer
    x = 7,879.02

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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.