Home / 28,854.39-39,821.06-16,110.08

Finding the Fourth Proportional to 28,854.39, 39,821.06 and 16,110.08

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Solution

The fourth proportional to 28,854.39, 39,821.06 and 16,110.08 is: 22,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.39 : 39,821.06 = 16,110.08 : x
  2. Step 2: Convert to fraction form
    28,854.39/39,821.06 = 16,110.08/x
  3. Step 3: Cross multiply
    28,854.39x = 39,821.06 × 16,110.08
  4. Step 4: Simplify right side
    28,854.39x = 641,520,462.28
  5. Step 5: Solve for x
    x = 641,520,462.28/28,854.39
  6. Step 6: Final answer
    x = 22,233.03

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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.