Home / 19,178.94-28,729.92-15,236.67

Finding the Fourth Proportional to 19,178.94, 28,729.92 and 15,236.67

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Solution

The fourth proportional to 19,178.94, 28,729.92 and 15,236.67 is: 22,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.94 : 28,729.92 = 15,236.67 : x
  2. Step 2: Convert to fraction form
    19,178.94/28,729.92 = 15,236.67/x
  3. Step 3: Cross multiply
    19,178.94x = 28,729.92 × 15,236.67
  4. Step 4: Simplify right side
    19,178.94x = 437,748,310.17
  5. Step 5: Solve for x
    x = 437,748,310.17/19,178.94
  6. Step 6: Final answer
    x = 22,824.43

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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.