Home / 28,854.64-39,821.41-16,110.33

Finding the Fourth Proportional to 28,854.64, 39,821.41 and 16,110.33

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Solution

The fourth proportional to 28,854.64, 39,821.41 and 16,110.33 is: 22,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.64 : 39,821.41 = 16,110.33 : x
  2. Step 2: Convert to fraction form
    28,854.64/39,821.41 = 16,110.33/x
  3. Step 3: Cross multiply
    28,854.64x = 39,821.41 × 16,110.33
  4. Step 4: Simplify right side
    28,854.64x = 641,536,056.17
  5. Step 5: Solve for x
    x = 641,536,056.17/28,854.64
  6. Step 6: Final answer
    x = 22,233.38

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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.