Home / 25,489.21-38,212.76-11,247.55

Finding the Fourth Proportional to 25,489.21, 38,212.76 and 11,247.55

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Solution

The fourth proportional to 25,489.21, 38,212.76 and 11,247.55 is: 16,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.21 : 38,212.76 = 11,247.55 : x
  2. Step 2: Convert to fraction form
    25,489.21/38,212.76 = 11,247.55/x
  3. Step 3: Cross multiply
    25,489.21x = 38,212.76 × 11,247.55
  4. Step 4: Simplify right side
    25,489.21x = 429,799,928.74
  5. Step 5: Solve for x
    x = 429,799,928.74/25,489.21
  6. Step 6: Final answer
    x = 16,862.03

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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.