Home / 26,108.72-36,027.92-15,500.96

Finding the Fourth Proportional to 26,108.72, 36,027.92 and 15,500.96

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Solution

The fourth proportional to 26,108.72, 36,027.92 and 15,500.96 is: 21,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.72 : 36,027.92 = 15,500.96 : x
  2. Step 2: Convert to fraction form
    26,108.72/36,027.92 = 15,500.96/x
  3. Step 3: Cross multiply
    26,108.72x = 36,027.92 × 15,500.96
  4. Step 4: Simplify right side
    26,108.72x = 558,467,346.80
  5. Step 5: Solve for x
    x = 558,467,346.80/26,108.72
  6. Step 6: Final answer
    x = 21,390.07

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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.