Home / 25,674.46-38,523.94-13,987.42

Finding the Fourth Proportional to 25,674.46, 38,523.94 and 13,987.42

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Solution

The fourth proportional to 25,674.46, 38,523.94 and 13,987.42 is: 20,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.46 : 38,523.94 = 13,987.42 : x
  2. Step 2: Convert to fraction form
    25,674.46/38,523.94 = 13,987.42/x
  3. Step 3: Cross multiply
    25,674.46x = 38,523.94 × 13,987.42
  4. Step 4: Simplify right side
    25,674.46x = 538,850,528.83
  5. Step 5: Solve for x
    x = 538,850,528.83/25,674.46
  6. Step 6: Final answer
    x = 20,987.80

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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.