Home / 26,103.06-36,000.45-21,379.14

Finding the Fourth Proportional to 26,103.06, 36,000.45 and 21,379.14

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Solution

The fourth proportional to 26,103.06, 36,000.45 and 21,379.14 is: 29,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.06 : 36,000.45 = 21,379.14 : x
  2. Step 2: Convert to fraction form
    26,103.06/36,000.45 = 21,379.14/x
  3. Step 3: Cross multiply
    26,103.06x = 36,000.45 × 21,379.14
  4. Step 4: Simplify right side
    26,103.06x = 769,658,660.61
  5. Step 5: Solve for x
    x = 769,658,660.61/26,103.06
  6. Step 6: Final answer
    x = 29,485.38

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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.