Home / 25,565.92-38,348.40-18,038.56

Finding the Fourth Proportional to 25,565.92, 38,348.40 and 18,038.56

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Solution

The fourth proportional to 25,565.92, 38,348.40 and 18,038.56 is: 27,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.92 : 38,348.40 = 18,038.56 : x
  2. Step 2: Convert to fraction form
    25,565.92/38,348.40 = 18,038.56/x
  3. Step 3: Cross multiply
    25,565.92x = 38,348.40 × 18,038.56
  4. Step 4: Simplify right side
    25,565.92x = 691,749,914.30
  5. Step 5: Solve for x
    x = 691,749,914.30/25,565.92
  6. Step 6: Final answer
    x = 27,057.50

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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.