Home / 25,586.34-38,387.27-13,115.21

Finding the Fourth Proportional to 25,586.34, 38,387.27 and 13,115.21

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Solution

The fourth proportional to 25,586.34, 38,387.27 and 13,115.21 is: 19,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,586.34 : 38,387.27 = 13,115.21 : x
  2. Step 2: Convert to fraction form
    25,586.34/38,387.27 = 13,115.21/x
  3. Step 3: Cross multiply
    25,586.34x = 38,387.27 × 13,115.21
  4. Step 4: Simplify right side
    25,586.34x = 503,456,849.86
  5. Step 5: Solve for x
    x = 503,456,849.86/25,586.34
  6. Step 6: Final answer
    x = 19,676.78

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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.