Home / 25,456.28-38,110.50-15,565.37

Finding the Fourth Proportional to 25,456.28, 38,110.50 and 15,565.37

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Solution

The fourth proportional to 25,456.28, 38,110.50 and 15,565.37 is: 23,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.28 : 38,110.50 = 15,565.37 : x
  2. Step 2: Convert to fraction form
    25,456.28/38,110.50 = 15,565.37/x
  3. Step 3: Cross multiply
    25,456.28x = 38,110.50 × 15,565.37
  4. Step 4: Simplify right side
    25,456.28x = 593,203,842.83
  5. Step 5: Solve for x
    x = 593,203,842.83/25,456.28
  6. Step 6: Final answer
    x = 23,302.85

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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.