Home / 19,270.28-28,928.46-11,482.76

Finding the Fourth Proportional to 19,270.28, 28,928.46 and 11,482.76

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Solution

The fourth proportional to 19,270.28, 28,928.46 and 11,482.76 is: 17,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.28 : 28,928.46 = 11,482.76 : x
  2. Step 2: Convert to fraction form
    19,270.28/28,928.46 = 11,482.76/x
  3. Step 3: Cross multiply
    19,270.28x = 28,928.46 × 11,482.76
  4. Step 4: Simplify right side
    19,270.28x = 332,178,563.35
  5. Step 5: Solve for x
    x = 332,178,563.35/19,270.28
  6. Step 6: Final answer
    x = 17,237.87

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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.