Home / 20,708.91-31,037.45-16,308.99

Finding the Fourth Proportional to 20,708.91, 31,037.45 and 16,308.99

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Solution

The fourth proportional to 20,708.91, 31,037.45 and 16,308.99 is: 24,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.91 : 31,037.45 = 16,308.99 : x
  2. Step 2: Convert to fraction form
    20,708.91/31,037.45 = 16,308.99/x
  3. Step 3: Cross multiply
    20,708.91x = 31,037.45 × 16,308.99
  4. Step 4: Simplify right side
    20,708.91x = 506,189,380.13
  5. Step 5: Solve for x
    x = 506,189,380.13/20,708.91
  6. Step 6: Final answer
    x = 24,443.07

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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.