Home / 25,379.00-38,023.27-21,643.33

Finding the Fourth Proportional to 25,379.00, 38,023.27 and 21,643.33

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Solution

The fourth proportional to 25,379.00, 38,023.27 and 21,643.33 is: 32,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.00 : 38,023.27 = 21,643.33 : x
  2. Step 2: Convert to fraction form
    25,379.00/38,023.27 = 21,643.33/x
  3. Step 3: Cross multiply
    25,379.00x = 38,023.27 × 21,643.33
  4. Step 4: Simplify right side
    25,379.00x = 822,950,117.22
  5. Step 5: Solve for x
    x = 822,950,117.22/25,379.00
  6. Step 6: Final answer
    x = 32,426.43

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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.