Home / 28,910.39-43,336.04-16,403.99

Finding the Fourth Proportional to 28,910.39, 43,336.04 and 16,403.99

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Solution

The fourth proportional to 28,910.39, 43,336.04 and 16,403.99 is: 24,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.39 : 43,336.04 = 16,403.99 : x
  2. Step 2: Convert to fraction form
    28,910.39/43,336.04 = 16,403.99/x
  3. Step 3: Cross multiply
    28,910.39x = 43,336.04 × 16,403.99
  4. Step 4: Simplify right side
    28,910.39x = 710,883,897.06
  5. Step 5: Solve for x
    x = 710,883,897.06/28,910.39
  6. Step 6: Final answer
    x = 24,589.22

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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.