Home / 19,388.75-26,892.45-18,601.43

Finding the Fourth Proportional to 19,388.75, 26,892.45 and 18,601.43

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Solution

The fourth proportional to 19,388.75, 26,892.45 and 18,601.43 is: 25,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.75 : 26,892.45 = 18,601.43 : x
  2. Step 2: Convert to fraction form
    19,388.75/26,892.45 = 18,601.43/x
  3. Step 3: Cross multiply
    19,388.75x = 26,892.45 × 18,601.43
  4. Step 4: Simplify right side
    19,388.75x = 500,237,891.74
  5. Step 5: Solve for x
    x = 500,237,891.74/19,388.75
  6. Step 6: Final answer
    x = 25,800.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.