Home / 25,139.12-34,659.96-15,704.24

Finding the Fourth Proportional to 25,139.12, 34,659.96 and 15,704.24

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Solution

The fourth proportional to 25,139.12, 34,659.96 and 15,704.24 is: 21,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.12 : 34,659.96 = 15,704.24 : x
  2. Step 2: Convert to fraction form
    25,139.12/34,659.96 = 15,704.24/x
  3. Step 3: Cross multiply
    25,139.12x = 34,659.96 × 15,704.24
  4. Step 4: Simplify right side
    25,139.12x = 544,308,330.23
  5. Step 5: Solve for x
    x = 544,308,330.23/25,139.12
  6. Step 6: Final answer
    x = 21,651.85

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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.