Home / 25,390.64-38,100.54-19,828.37

Finding the Fourth Proportional to 25,390.64, 38,100.54 and 19,828.37

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Solution

The fourth proportional to 25,390.64, 38,100.54 and 19,828.37 is: 29,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.64 : 38,100.54 = 19,828.37 : x
  2. Step 2: Convert to fraction form
    25,390.64/38,100.54 = 19,828.37/x
  3. Step 3: Cross multiply
    25,390.64x = 38,100.54 × 19,828.37
  4. Step 4: Simplify right side
    25,390.64x = 755,471,505.18
  5. Step 5: Solve for x
    x = 755,471,505.18/25,390.64
  6. Step 6: Final answer
    x = 29,753.94

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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.