Home / 26,108.80-39,163.20-25,590.40

Finding the Fourth Proportional to 26,108.80, 39,163.20 and 25,590.40

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Solution

The fourth proportional to 26,108.80, 39,163.20 and 25,590.40 is: 38,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.80 : 39,163.20 = 25,590.40 : x
  2. Step 2: Convert to fraction form
    26,108.80/39,163.20 = 25,590.40/x
  3. Step 3: Cross multiply
    26,108.80x = 39,163.20 × 25,590.40
  4. Step 4: Simplify right side
    26,108.80x = 1,002,201,953.28
  5. Step 5: Solve for x
    x = 1,002,201,953.28/26,108.80
  6. Step 6: Final answer
    x = 38,385.60

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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.