Home / 25,491.25-38,193.64-15,609.86

Finding the Fourth Proportional to 25,491.25, 38,193.64 and 15,609.86

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Solution

The fourth proportional to 25,491.25, 38,193.64 and 15,609.86 is: 23,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.25 : 38,193.64 = 15,609.86 : x
  2. Step 2: Convert to fraction form
    25,491.25/38,193.64 = 15,609.86/x
  3. Step 3: Cross multiply
    25,491.25x = 38,193.64 × 15,609.86
  4. Step 4: Simplify right side
    25,491.25x = 596,197,143.30
  5. Step 5: Solve for x
    x = 596,197,143.30/25,491.25
  6. Step 6: Final answer
    x = 23,388.31

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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.