Home / 25,101.40-34,654.94-15,682.72

Finding the Fourth Proportional to 25,101.40, 34,654.94 and 15,682.72

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Solution

The fourth proportional to 25,101.40, 34,654.94 and 15,682.72 is: 21,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,101.40 : 34,654.94 = 15,682.72 : x
  2. Step 2: Convert to fraction form
    25,101.40/34,654.94 = 15,682.72/x
  3. Step 3: Cross multiply
    25,101.40x = 34,654.94 × 15,682.72
  4. Step 4: Simplify right side
    25,101.40x = 543,483,720.64
  5. Step 5: Solve for x
    x = 543,483,720.64/25,101.40
  6. Step 6: Final answer
    x = 21,651.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.