Home / 21,379.21-32,036.00-13,046.74

Finding the Fourth Proportional to 21,379.21, 32,036.00 and 13,046.74

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Solution

The fourth proportional to 21,379.21, 32,036.00 and 13,046.74 is: 19,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,379.21 : 32,036.00 = 13,046.74 : x
  2. Step 2: Convert to fraction form
    21,379.21/32,036.00 = 13,046.74/x
  3. Step 3: Cross multiply
    21,379.21x = 32,036.00 × 13,046.74
  4. Step 4: Simplify right side
    21,379.21x = 417,965,217.32
  5. Step 5: Solve for x
    x = 417,965,217.32/21,379.21
  6. Step 6: Final answer
    x = 19,550.08

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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.