Home / 28,636.75-39,520.69-16,062.31

Finding the Fourth Proportional to 28,636.75, 39,520.69 and 16,062.31

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Solution

The fourth proportional to 28,636.75, 39,520.69 and 16,062.31 is: 22,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.75 : 39,520.69 = 16,062.31 : x
  2. Step 2: Convert to fraction form
    28,636.75/39,520.69 = 16,062.31/x
  3. Step 3: Cross multiply
    28,636.75x = 39,520.69 × 16,062.31
  4. Step 4: Simplify right side
    28,636.75x = 634,793,574.19
  5. Step 5: Solve for x
    x = 634,793,574.19/28,636.75
  6. Step 6: Final answer
    x = 22,167.10

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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.