Home / 25,648.20-38,402.82-13,310.28

Finding the Fourth Proportional to 25,648.20, 38,402.82 and 13,310.28

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Solution

The fourth proportional to 25,648.20, 38,402.82 and 13,310.28 is: 19,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.20 : 38,402.82 = 13,310.28 : x
  2. Step 2: Convert to fraction form
    25,648.20/38,402.82 = 13,310.28/x
  3. Step 3: Cross multiply
    25,648.20x = 38,402.82 × 13,310.28
  4. Step 4: Simplify right side
    25,648.20x = 511,152,286.99
  5. Step 5: Solve for x
    x = 511,152,286.99/25,648.20
  6. Step 6: Final answer
    x = 19,929.36

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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.