Home / 28,436.08-39,249.60-16,503.26

Finding the Fourth Proportional to 28,436.08, 39,249.60 and 16,503.26

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Solution

The fourth proportional to 28,436.08, 39,249.60 and 16,503.26 is: 22,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.08 : 39,249.60 = 16,503.26 : x
  2. Step 2: Convert to fraction form
    28,436.08/39,249.60 = 16,503.26/x
  3. Step 3: Cross multiply
    28,436.08x = 39,249.60 × 16,503.26
  4. Step 4: Simplify right side
    28,436.08x = 647,746,353.70
  5. Step 5: Solve for x
    x = 647,746,353.70/28,436.08
  6. Step 6: Final answer
    x = 22,779.03

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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.