Home / 25,727.58-35,497.40-15,115.14

Finding the Fourth Proportional to 25,727.58, 35,497.40 and 15,115.14

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Solution

The fourth proportional to 25,727.58, 35,497.40 and 15,115.14 is: 20,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.58 : 35,497.40 = 15,115.14 : x
  2. Step 2: Convert to fraction form
    25,727.58/35,497.40 = 15,115.14/x
  3. Step 3: Cross multiply
    25,727.58x = 35,497.40 × 15,115.14
  4. Step 4: Simplify right side
    25,727.58x = 536,548,170.64
  5. Step 5: Solve for x
    x = 536,548,170.64/25,727.58
  6. Step 6: Final answer
    x = 20,854.98

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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.