Home / 26,302.80-39,485.40-15,217.20

Finding the Fourth Proportional to 26,302.80, 39,485.40 and 15,217.20

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Solution

The fourth proportional to 26,302.80, 39,485.40 and 15,217.20 is: 22,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,302.80 : 39,485.40 = 15,217.20 : x
  2. Step 2: Convert to fraction form
    26,302.80/39,485.40 = 15,217.20/x
  3. Step 3: Cross multiply
    26,302.80x = 39,485.40 × 15,217.20
  4. Step 4: Simplify right side
    26,302.80x = 600,857,228.88
  5. Step 5: Solve for x
    x = 600,857,228.88/26,302.80
  6. Step 6: Final answer
    x = 22,843.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.