Home / 28,604.39-39,465.89-16,503.91

Finding the Fourth Proportional to 28,604.39, 39,465.89 and 16,503.91

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Solution

The fourth proportional to 28,604.39, 39,465.89 and 16,503.91 is: 22,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.39 : 39,465.89 = 16,503.91 : x
  2. Step 2: Convert to fraction form
    28,604.39/39,465.89 = 16,503.91/x
  3. Step 3: Cross multiply
    28,604.39x = 39,465.89 × 16,503.91
  4. Step 4: Simplify right side
    28,604.39x = 651,341,439.22
  5. Step 5: Solve for x
    x = 651,341,439.22/28,604.39
  6. Step 6: Final answer
    x = 22,770.68

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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.