Home / 25,648.96-38,372.20-19,426.92

Finding the Fourth Proportional to 25,648.96, 38,372.20 and 19,426.92

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Solution

The fourth proportional to 25,648.96, 38,372.20 and 19,426.92 is: 29,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.96 : 38,372.20 = 19,426.92 : x
  2. Step 2: Convert to fraction form
    25,648.96/38,372.20 = 19,426.92/x
  3. Step 3: Cross multiply
    25,648.96x = 38,372.20 × 19,426.92
  4. Step 4: Simplify right side
    25,648.96x = 745,453,659.62
  5. Step 5: Solve for x
    x = 745,453,659.62/25,648.96
  6. Step 6: Final answer
    x = 29,063.70

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1.5x scale

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.