Home / 28,535.38-39,381.77-16,436.26

Finding the Fourth Proportional to 28,535.38, 39,381.77 and 16,436.26

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Solution

The fourth proportional to 28,535.38, 39,381.77 and 16,436.26 is: 22,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.38 : 39,381.77 = 16,436.26 : x
  2. Step 2: Convert to fraction form
    28,535.38/39,381.77 = 16,436.26/x
  3. Step 3: Cross multiply
    28,535.38x = 39,381.77 × 16,436.26
  4. Step 4: Simplify right side
    28,535.38x = 647,289,010.98
  5. Step 5: Solve for x
    x = 647,289,010.98/28,535.38
  6. Step 6: Final answer
    x = 22,683.74

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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.