Home / 28,854.03-39,818.39-16,106.47

Finding the Fourth Proportional to 28,854.03, 39,818.39 and 16,106.47

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Solution

The fourth proportional to 28,854.03, 39,818.39 and 16,106.47 is: 22,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.03 : 39,818.39 = 16,106.47 : x
  2. Step 2: Convert to fraction form
    28,854.03/39,818.39 = 16,106.47/x
  3. Step 3: Cross multiply
    28,854.03x = 39,818.39 × 16,106.47
  4. Step 4: Simplify right side
    28,854.03x = 641,333,703.98
  5. Step 5: Solve for x
    x = 641,333,703.98/28,854.03
  6. Step 6: Final answer
    x = 22,226.83

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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.