Home / 20,754.64-28,632.24-14,037.80

Finding the Fourth Proportional to 20,754.64, 28,632.24 and 14,037.80

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Solution

The fourth proportional to 20,754.64, 28,632.24 and 14,037.80 is: 19,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.64 : 28,632.24 = 14,037.80 : x
  2. Step 2: Convert to fraction form
    20,754.64/28,632.24 = 14,037.80/x
  3. Step 3: Cross multiply
    20,754.64x = 28,632.24 × 14,037.80
  4. Step 4: Simplify right side
    20,754.64x = 401,933,658.67
  5. Step 5: Solve for x
    x = 401,933,658.67/20,754.64
  6. Step 6: Final answer
    x = 19,365.97

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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.