Home / 26,469.12-36,524.80-15,290.88

Finding the Fourth Proportional to 26,469.12, 36,524.80 and 15,290.88

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Solution

The fourth proportional to 26,469.12, 36,524.80 and 15,290.88 is: 21,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.12 : 36,524.80 = 15,290.88 : x
  2. Step 2: Convert to fraction form
    26,469.12/36,524.80 = 15,290.88/x
  3. Step 3: Cross multiply
    26,469.12x = 36,524.80 × 15,290.88
  4. Step 4: Simplify right side
    26,469.12x = 558,496,333.82
  5. Step 5: Solve for x
    x = 558,496,333.82/26,469.12
  6. Step 6: Final answer
    x = 21,099.92

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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.